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authorJiri Kosina <jkosina@suse.cz>2010-04-23 04:08:44 +0400
committerJiri Kosina <jkosina@suse.cz>2010-04-23 04:08:44 +0400
commit6c9468e9eb1252eaefd94ce7f06e1be9b0b641b1 (patch)
tree797676a336b050bfa1ef879377c07e541b9075d6 /drivers/char
parent4cb3ca7cd7e2cae8d1daf5345ec99a1e8502cf3f (diff)
parentc81eddb0e3728661d1585fbc564449c94165cc36 (diff)
downloadlinux-6c9468e9eb1252eaefd94ce7f06e1be9b0b641b1.tar.xz
Merge branch 'master' into for-next
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/agp/Kconfig2
-rw-r--r--drivers/char/agp/amd-k7-agp.c2
-rw-r--r--drivers/char/agp/backend.c1
-rw-r--r--drivers/char/agp/compat_ioctl.c1
-rw-r--r--drivers/char/agp/generic.c1
-rw-r--r--drivers/char/agp/hp-agp.c1
-rw-r--r--drivers/char/agp/intel-agp.c38
-rw-r--r--drivers/char/agp/nvidia-agp.c1
-rw-r--r--drivers/char/agp/sgi-agp.c1
-rw-r--r--drivers/char/agp/uninorth-agp.c1
-rw-r--r--drivers/char/amiserial.c4
-rw-r--r--drivers/char/bfin_jtag_comm.c1
-rw-r--r--drivers/char/briq_panel.c1
-rw-r--r--drivers/char/bsr.c1
-rw-r--r--drivers/char/cyclades.c1
-rw-r--r--drivers/char/dsp56k.c1
-rw-r--r--drivers/char/epca.c1
-rw-r--r--drivers/char/generic_serial.c1
-rw-r--r--drivers/char/hpet.c5
-rw-r--r--drivers/char/hvc_console.c28
-rw-r--r--drivers/char/hvc_iucv.c1
-rw-r--r--drivers/char/hvcs.c1
-rw-r--r--drivers/char/hw_random/intel-rng.c1
-rw-r--r--drivers/char/hw_random/octeon-rng.c1
-rw-r--r--drivers/char/hw_random/tx4939-rng.c1
-rw-r--r--drivers/char/ipmi/ipmi_msghandler.c10
-rw-r--r--drivers/char/isicom.c1
-rw-r--r--drivers/char/mbcs.c1
-rw-r--r--drivers/char/mem.c10
-rw-r--r--drivers/char/misc.c2
-rw-r--r--drivers/char/mmtimer.c1
-rw-r--r--drivers/char/moxa.c1
-rw-r--r--drivers/char/mxser.c8
-rw-r--r--drivers/char/nozomi.c1
-rw-r--r--drivers/char/nvram.c1
-rw-r--r--drivers/char/pcmcia/cm4000_cs.c8
-rw-r--r--drivers/char/pcmcia/ipwireless/network.c1
-rw-r--r--drivers/char/ppdev.c1
-rw-r--r--drivers/char/ps3flash.c1
-rw-r--r--drivers/char/pty.c1
-rw-r--r--drivers/char/raw.c2
-rw-r--r--drivers/char/rio/rioinit.c1
-rw-r--r--drivers/char/rio/riointr.c1
-rw-r--r--drivers/char/rio/rioparam.c1
-rw-r--r--drivers/char/rio/rioroute.c1
-rw-r--r--drivers/char/rio/riotty.c1
-rw-r--r--drivers/char/serial167.c1
-rw-r--r--drivers/char/snsc_event.c1
-rw-r--r--drivers/char/sonypi.c1
-rw-r--r--drivers/char/specialix.c1
-rw-r--r--drivers/char/sysrq.c1
-rw-r--r--drivers/char/tpm/tpm.c1
-rw-r--r--drivers/char/tpm/tpm_bios.c1
-rw-r--r--drivers/char/tpm/tpm_nsc.c1
-rw-r--r--drivers/char/tpm/tpm_tis.c1
-rw-r--r--drivers/char/tty_audit.c1
-rw-r--r--drivers/char/tty_buffer.c4
-rw-r--r--drivers/char/tty_io.c2
-rw-r--r--drivers/char/tty_port.c2
-rw-r--r--drivers/char/viotape.c1
-rw-r--r--drivers/char/virtio_console.c81
-rw-r--r--drivers/char/vme_scc.c1
-rw-r--r--drivers/char/vt_ioctl.c39
-rw-r--r--drivers/char/xilinx_hwicap/xilinx_hwicap.c1
64 files changed, 204 insertions, 90 deletions
diff --git a/drivers/char/agp/Kconfig b/drivers/char/agp/Kconfig
index 2fb3a480f6b0..4b66c69eaf57 100644
--- a/drivers/char/agp/Kconfig
+++ b/drivers/char/agp/Kconfig
@@ -57,7 +57,7 @@ config AGP_AMD
config AGP_AMD64
tristate "AMD Opteron/Athlon64 on-CPU GART support"
- depends on AGP && X86
+ depends on AGP && X86 && K8_NB
help
This option gives you AGP support for the GLX component of
X using the on-CPU northbridge of the AMD Athlon64/Opteron CPUs.
diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c
index 73dbf40c874d..a7637d72cef6 100644
--- a/drivers/char/agp/amd-k7-agp.c
+++ b/drivers/char/agp/amd-k7-agp.c
@@ -6,9 +6,9 @@
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/agp_backend.h>
-#include <linux/gfp.h>
#include <linux/page-flags.h>
#include <linux/mm.h>
+#include <linux/slab.h>
#include "agp.h"
#define AMD_MMBASE 0x14
diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c
index c3ab46da51a3..ee4f855611b6 100644
--- a/drivers/char/agp/backend.c
+++ b/drivers/char/agp/backend.c
@@ -30,6 +30,7 @@
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/init.h>
+#include <linux/slab.h>
#include <linux/pagemap.h>
#include <linux/miscdevice.h>
#include <linux/pm.h>
diff --git a/drivers/char/agp/compat_ioctl.c b/drivers/char/agp/compat_ioctl.c
index 58c57cb2518c..9d2c97a69cdd 100644
--- a/drivers/char/agp/compat_ioctl.c
+++ b/drivers/char/agp/compat_ioctl.c
@@ -30,6 +30,7 @@
#include <linux/pci.h>
#include <linux/fs.h>
#include <linux/agpgart.h>
+#include <linux/slab.h>
#include <asm/uaccess.h>
#include "agp.h"
#include "compat_ioctl.h"
diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index c50543966eb2..fb86708e47ed 100644
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -38,6 +38,7 @@
#include <linux/dma-mapping.h>
#include <linux/mm.h>
#include <linux/sched.h>
+#include <linux/slab.h>
#include <asm/io.h>
#include <asm/cacheflush.h>
#include <asm/pgtable.h>
diff --git a/drivers/char/agp/hp-agp.c b/drivers/char/agp/hp-agp.c
index 58752b70efea..056b289a1e89 100644
--- a/drivers/char/agp/hp-agp.c
+++ b/drivers/char/agp/hp-agp.c
@@ -15,6 +15,7 @@
#include <linux/init.h>
#include <linux/agp_backend.h>
#include <linux/log2.h>
+#include <linux/slab.h>
#include <asm/acpi-ext.h>
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index a3e10dc7cc25..aa4248efc5d8 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -4,6 +4,7 @@
#include <linux/module.h>
#include <linux/pci.h>
+#include <linux/slab.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/pagemap.h>
@@ -97,6 +98,9 @@ EXPORT_SYMBOL(intel_agp_enabled);
#define IS_PINEVIEW (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_HB)
+#define IS_SNB (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB || \
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB)
+
#define IS_G4X (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_EAGLELAKE_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q45_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB || \
@@ -107,8 +111,7 @@ EXPORT_SYMBOL(intel_agp_enabled);
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB || \
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB || \
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB)
+ IS_SNB)
extern int agp_memory_reserved;
@@ -175,6 +178,10 @@ extern int agp_memory_reserved;
#define SNB_GMCH_GMS_STOLEN_448M (0xe << 3)
#define SNB_GMCH_GMS_STOLEN_480M (0xf << 3)
#define SNB_GMCH_GMS_STOLEN_512M (0x10 << 3)
+#define SNB_GTT_SIZE_0M (0 << 8)
+#define SNB_GTT_SIZE_1M (1 << 8)
+#define SNB_GTT_SIZE_2M (2 << 8)
+#define SNB_GTT_SIZE_MASK (3 << 8)
static const struct aper_size_info_fixed intel_i810_sizes[] =
{
@@ -1200,6 +1207,9 @@ static void intel_i9xx_setup_flush(void)
if (intel_private.ifp_resource.start)
return;
+ if (IS_SNB)
+ return;
+
/* setup a resource for this object */
intel_private.ifp_resource.name = "Intel Flush Page";
intel_private.ifp_resource.flags = IORESOURCE_MEM;
@@ -1438,6 +1448,8 @@ static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge,
static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size)
{
+ u16 snb_gmch_ctl;
+
switch (agp_bridge->dev->device) {
case PCI_DEVICE_ID_INTEL_GM45_HB:
case PCI_DEVICE_ID_INTEL_EAGLELAKE_HB:
@@ -1449,9 +1461,26 @@ static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size)
case PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB:
case PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB:
case PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB:
+ *gtt_offset = *gtt_size = MB(2);
+ break;
case PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB:
case PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB:
- *gtt_offset = *gtt_size = MB(2);
+ *gtt_offset = MB(2);
+
+ pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl);
+ switch (snb_gmch_ctl & SNB_GTT_SIZE_MASK) {
+ default:
+ case SNB_GTT_SIZE_0M:
+ printk(KERN_ERR "Bad GTT size mask: 0x%04x.\n", snb_gmch_ctl);
+ *gtt_size = MB(0);
+ break;
+ case SNB_GTT_SIZE_1M:
+ *gtt_size = MB(1);
+ break;
+ case SNB_GTT_SIZE_2M:
+ *gtt_size = MB(2);
+ break;
+ }
break;
default:
*gtt_offset = *gtt_size = KB(512);
@@ -1788,8 +1817,6 @@ static int intel_845_configure(void)
pci_write_config_byte(agp_bridge->dev, INTEL_I845_AGPM, temp2 | (1 << 1));
/* clear any possible error conditions */
pci_write_config_word(agp_bridge->dev, INTEL_I845_ERRSTS, 0x001c);
-
- intel_i830_setup_flush();
return 0;
}
@@ -2159,7 +2186,6 @@ static const struct agp_bridge_driver intel_845_driver = {
.agp_destroy_page = agp_generic_destroy_page,
.agp_destroy_pages = agp_generic_destroy_pages,
.agp_type_to_mask_type = agp_generic_type_to_mask_type,
- .chipset_flush = intel_i830_chipset_flush,
};
static const struct agp_bridge_driver intel_850_driver = {
diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 7e36d2b4f9d4..10f24e349a26 100644
--- a/drivers/char/agp/nvidia-agp.c
+++ b/drivers/char/agp/nvidia-agp.c
@@ -8,7 +8,6 @@
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/agp_backend.h>
-#include <linux/gfp.h>
#include <linux/page-flags.h>
#include <linux/mm.h>
#include <linux/jiffies.h>
diff --git a/drivers/char/agp/sgi-agp.c b/drivers/char/agp/sgi-agp.c
index 0d426ae39c85..ffa888cd1c88 100644
--- a/drivers/char/agp/sgi-agp.c
+++ b/drivers/char/agp/sgi-agp.c
@@ -14,6 +14,7 @@
#include <linux/acpi.h>
#include <linux/module.h>
#include <linux/pci.h>
+#include <linux/slab.h>
#include <linux/init.h>
#include <linux/agp_backend.h>
#include <asm/sn/addrs.h>
diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c
index d89da4ac061f..6f48931ac1ce 100644
--- a/drivers/char/agp/uninorth-agp.c
+++ b/drivers/char/agp/uninorth-agp.c
@@ -3,6 +3,7 @@
*/
#include <linux/module.h>
#include <linux/pci.h>
+#include <linux/slab.h>
#include <linux/init.h>
#include <linux/pagemap.h>
#include <linux/agp_backend.h>
diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c
index 6c32fbf07164..56b27671adc4 100644
--- a/drivers/char/amiserial.c
+++ b/drivers/char/amiserial.c
@@ -2021,8 +2021,6 @@ static int __init rs_init(void)
state->baud_base = amiga_colorclock;
state->xmit_fifo_size = 1;
- local_irq_save(flags);
-
/* set ISRs, and then disable the rx interrupts */
error = request_irq(IRQ_AMIGA_TBE, ser_tx_int, 0, "serial TX", state);
if (error)
@@ -2033,6 +2031,8 @@ static int __init rs_init(void)
if (error)
goto fail_free_irq;
+ local_irq_save(flags);
+
/* turn off Rx and Tx interrupts */
custom.intena = IF_RBF | IF_TBE;
mb();
diff --git a/drivers/char/bfin_jtag_comm.c b/drivers/char/bfin_jtag_comm.c
index 2628c7415ea8..e397df3ad98e 100644
--- a/drivers/char/bfin_jtag_comm.c
+++ b/drivers/char/bfin_jtag_comm.c
@@ -21,6 +21,7 @@
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/sched.h>
+#include <linux/slab.h>
#include <linux/tty.h>
#include <linux/tty_driver.h>
#include <linux/tty_flip.h>
diff --git a/drivers/char/briq_panel.c b/drivers/char/briq_panel.c
index d8cff909001c..555cd93c2ee5 100644
--- a/drivers/char/briq_panel.c
+++ b/drivers/char/briq_panel.c
@@ -14,7 +14,6 @@
#include <linux/kernel.h>
#include <linux/wait.h>
#include <linux/string.h>
-#include <linux/slab.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/miscdevice.h>
diff --git a/drivers/char/bsr.c b/drivers/char/bsr.c
index 3b31f744b7af..89d871ef8c2f 100644
--- a/drivers/char/bsr.c
+++ b/drivers/char/bsr.c
@@ -27,6 +27,7 @@
#include <linux/cdev.h>
#include <linux/list.h>
#include <linux/mm.h>
+#include <linux/slab.h>
#include <asm/pgtable.h>
#include <asm/io.h>
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index b861c08263a4..9824b4162904 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -79,6 +79,7 @@
#include <linux/bitops.h>
#include <linux/firmware.h>
#include <linux/device.h>
+#include <linux/slab.h>
#include <linux/io.h>
#include <linux/uaccess.h>
diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c
index 85832ab924e6..8a1b28a10ef0 100644
--- a/drivers/char/dsp56k.c
+++ b/drivers/char/dsp56k.c
@@ -24,7 +24,6 @@
*/
#include <linux/module.h>
-#include <linux/slab.h> /* for kmalloc() and kfree() */
#include <linux/major.h>
#include <linux/types.h>
#include <linux/errno.h>
diff --git a/drivers/char/epca.c b/drivers/char/epca.c
index 17b044a71e02..6f5ffe1320f7 100644
--- a/drivers/char/epca.c
+++ b/drivers/char/epca.c
@@ -36,7 +36,6 @@
#include <linux/ctype.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
-#include <linux/slab.h>
#include <linux/smp_lock.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
diff --git a/drivers/char/generic_serial.c b/drivers/char/generic_serial.c
index d400cbd280f2..5954ee1dc953 100644
--- a/drivers/char/generic_serial.c
+++ b/drivers/char/generic_serial.c
@@ -29,6 +29,7 @@
#include <linux/interrupt.h>
#include <linux/tty_flip.h>
#include <linux/delay.h>
+#include <linux/gfp.h>
#include <asm/uaccess.h>
#define DEBUG
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index e481c5938bad..9ded667625ac 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -31,6 +31,7 @@
#include <linux/seq_file.h>
#include <linux/bitops.h>
#include <linux/clocksource.h>
+#include <linux/slab.h>
#include <asm/current.h>
#include <asm/uaccess.h>
@@ -215,9 +216,7 @@ static void hpet_timer_set_irq(struct hpet_dev *devp)
else
v &= ~0xffff;
- for (irq = find_first_bit(&v, HPET_MAX_IRQ); irq < HPET_MAX_IRQ;
- irq = find_next_bit(&v, HPET_MAX_IRQ, 1 + irq)) {
-
+ for_each_set_bit(irq, &v, HPET_MAX_IRQ) {
if (irq >= nr_irqs) {
irq = HPET_MAX_IRQ;
break;
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index 465185fc0f52..35cca4c7fb18 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -38,6 +38,7 @@
#include <linux/spinlock.h>
#include <linux/delay.h>
#include <linux/freezer.h>
+#include <linux/slab.h>
#include <asm/uaccess.h>
@@ -312,6 +313,7 @@ static int hvc_open(struct tty_struct *tty, struct file * filp)
spin_lock_irqsave(&hp->lock, flags);
/* Check and then increment for fast path open. */
if (hp->count++ > 0) {
+ tty_kref_get(tty);
spin_unlock_irqrestore(&hp->lock, flags);
hvc_kick();
return 0;
@@ -319,7 +321,7 @@ static int hvc_open(struct tty_struct *tty, struct file * filp)
tty->driver_data = hp;
- hp->tty = tty;
+ hp->tty = tty_kref_get(tty);
spin_unlock_irqrestore(&hp->lock, flags);
@@ -336,6 +338,7 @@ static int hvc_open(struct tty_struct *tty, struct file * filp)
spin_lock_irqsave(&hp->lock, flags);
hp->tty = NULL;
spin_unlock_irqrestore(&hp->lock, flags);
+ tty_kref_put(tty);
tty->driver_data = NULL;
kref_put(&hp->kref, destroy_hvc_struct);
printk(KERN_ERR "hvc_open: request_irq failed with rc %d.\n", rc);
@@ -363,6 +366,7 @@ static void hvc_close(struct tty_struct *tty, struct file * filp)
return;
hp = tty->driver_data;
+
spin_lock_irqsave(&hp->lock, flags);
if (--hp->count == 0) {
@@ -389,6 +393,7 @@ static void hvc_close(struct tty_struct *tty, struct file * filp)
spin_unlock_irqrestore(&hp->lock, flags);
}
+ tty_kref_put(tty);
kref_put(&hp->kref, destroy_hvc_struct);
}
@@ -424,10 +429,11 @@ static void hvc_hangup(struct tty_struct *tty)
spin_unlock_irqrestore(&hp->lock, flags);
if (hp->ops->notifier_hangup)
- hp->ops->notifier_hangup(hp, hp->data);
+ hp->ops->notifier_hangup(hp, hp->data);
while(temp_open_count) {
--temp_open_count;
+ tty_kref_put(tty);
kref_put(&hp->kref, destroy_hvc_struct);
}
}
@@ -592,7 +598,7 @@ int hvc_poll(struct hvc_struct *hp)
}
/* No tty attached, just skip */
- tty = hp->tty;
+ tty = tty_kref_get(hp->tty);
if (tty == NULL)
goto bail;
@@ -672,6 +678,8 @@ int hvc_poll(struct hvc_struct *hp)
tty_flip_buffer_push(tty);
}
+ if (tty)
+ tty_kref_put(tty);
return poll_mask;
}
@@ -807,7 +815,7 @@ int hvc_remove(struct hvc_struct *hp)
struct tty_struct *tty;
spin_lock_irqsave(&hp->lock, flags);
- tty = hp->tty;
+ tty = tty_kref_get(hp->tty);
if (hp->index < MAX_NR_HVC_CONSOLES)
vtermnos[hp->index] = -1;
@@ -819,18 +827,18 @@ int hvc_remove(struct hvc_struct *hp)
/*
* We 'put' the instance that was grabbed when the kref instance
* was initialized using kref_init(). Let the last holder of this
- * kref cause it to be removed, which will probably be the tty_hangup
+ * kref cause it to be removed, which will probably be the tty_vhangup
* below.
*/
kref_put(&hp->kref, destroy_hvc_struct);
/*
- * This function call will auto chain call hvc_hangup. The tty should
- * always be valid at this time unless a simultaneous tty close already
- * cleaned up the hvc_struct.
+ * This function call will auto chain call hvc_hangup.
*/
- if (tty)
- tty_hangup(tty);
+ if (tty) {
+ tty_vhangup(tty);
+ tty_kref_put(tty);
+ }
return 0;
}
EXPORT_SYMBOL_GPL(hvc_remove);
diff --git a/drivers/char/hvc_iucv.c b/drivers/char/hvc_iucv.c
index 37b0542a4eeb..5a80ad68ef22 100644
--- a/drivers/char/hvc_iucv.c
+++ b/drivers/char/hvc_iucv.c
@@ -12,6 +12,7 @@
#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
#include <linux/types.h>
+#include <linux/slab.h>
#include <asm/ebcdic.h>
#include <linux/ctype.h>
#include <linux/delay.h>
diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c
index 266b858b8f85..bedc6c1b6fa5 100644
--- a/drivers/char/hvcs.c
+++ b/drivers/char/hvcs.c
@@ -74,6 +74,7 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/sched.h>
+#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/stat.h>
#include <linux/tty.h>
diff --git a/drivers/char/hw_random/intel-rng.c b/drivers/char/hw_random/intel-rng.c
index 91b53eb1c053..86fe45c19968 100644
--- a/drivers/char/hw_random/intel-rng.c
+++ b/drivers/char/hw_random/intel-rng.c
@@ -30,6 +30,7 @@
#include <linux/pci.h>
#include <linux/stop_machine.h>
#include <linux/delay.h>
+#include <linux/slab.h>
#include <asm/io.h>
diff --git a/drivers/char/hw_random/octeon-rng.c b/drivers/char/hw_random/octeon-rng.c
index 54b0d9ba65cf..9cd0feca318c 100644
--- a/drivers/char/hw_random/octeon-rng.c
+++ b/drivers/char/hw_random/octeon-rng.c
@@ -15,6 +15,7 @@
#include <linux/device.h>
#include <linux/hw_random.h>
#include <linux/io.h>
+#include <linux/gfp.h>
#include <asm/octeon/octeon.h>
#include <asm/octeon/cvmx-rnm-defs.h>
diff --git a/drivers/char/hw_random/tx4939-rng.c b/drivers/char/hw_random/tx4939-rng.c
index 544d9085a8e8..0bc0cb70210b 100644
--- a/drivers/char/hw_random/tx4939-rng.c
+++ b/drivers/char/hw_random/tx4939-rng.c
@@ -14,6 +14,7 @@
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/hw_random.h>
+#include <linux/gfp.h>
#define TX4939_RNG_RCSR 0x00000000
#define TX4939_RNG_ROR(n) (0x00000018 + (n) * 8)
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index ec5e3f8df648..c6ad4234378d 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -2272,42 +2272,52 @@ static int create_files(struct bmc_device *bmc)
bmc->device_id_attr.attr.name = "device_id";
bmc->device_id_attr.attr.mode = S_IRUGO;
bmc->device_id_attr.show = device_id_show;
+ sysfs_attr_init(&bmc->device_id_attr.attr);
bmc->provides_dev_sdrs_attr.attr.name = "provides_device_sdrs";
bmc->provides_dev_sdrs_attr.attr.mode = S_IRUGO;
bmc->provides_dev_sdrs_attr.show = provides_dev_sdrs_show;
+ sysfs_attr_init(&bmc->provides_dev_sdrs_attr.attr);
bmc->revision_attr.attr.name = "revision";
bmc->revision_attr.attr.mode = S_IRUGO;
bmc->revision_attr.show = revision_show;
+ sysfs_attr_init(&bmc->revision_attr.attr);
bmc->firmware_rev_attr.attr.name = "firmware_revision";
bmc->firmware_rev_attr.attr.mode = S_IRUGO;
bmc->firmware_rev_attr.show = firmware_rev_show;
+ sysfs_attr_init(&bmc->firmware_rev_attr.attr);
bmc->version_attr.attr.name = "ipmi_version";
bmc->version_attr.attr.mode = S_IRUGO;
bmc->version_attr.show = ipmi_version_show;
+ sysfs_attr_init(&bmc->version_attr.attr);
bmc->add_dev_support_attr.attr.name = "additional_device_support";
bmc->add_dev_support_attr.attr.mode = S_IRUGO;
bmc->add_dev_support_attr.show = add_dev_support_show;
+ sysfs_attr_init(&bmc->add_dev_support_attr.attr);
bmc->manufacturer_id_attr.attr.name = "manufacturer_id";
bmc->manufacturer_id_attr.attr.mode = S_IRUGO;
bmc->manufacturer_id_attr.show = manufacturer_id_show;
+ sysfs_attr_init(&bmc->manufacturer_id_attr.attr);
bmc->product_id_attr.attr.name = "product_id";
bmc->product_id_attr.attr.mode = S_IRUGO;
bmc->product_id_attr.show = product_id_show;
+ sysfs_attr_init(&bmc->product_id_attr.attr);
bmc->guid_attr.attr.name = "guid";
bmc->guid_attr.attr.mode = S_IRUGO;
bmc->guid_attr.show = guid_show;
+ sysfs_attr_init(&bmc->guid_attr.attr);
bmc->aux_firmware_rev_attr.attr.name = "aux_firmware_revision";
bmc->aux_firmware_rev_attr.attr.mode = S_IRUGO;
bmc->aux_firmware_rev_attr.show = aux_firmware_rev_show;
+ sysfs_attr_init(&bmc->aux_firmware_rev_attr.attr);
err = device_create_file(&bmc->dev->dev,
&bmc->device_id_attr);
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index be2e8f9a27c3..0fa2e4a0835d 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -130,6 +130,7 @@
#include <linux/timer.h>
#include <linux/delay.h>
#include <linux/ioport.h>
+#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/io.h>
diff --git a/drivers/char/mbcs.c b/drivers/char/mbcs.c
index 87c67b42bc08..83bef4efe376 100644
--- a/drivers/char/mbcs.c
+++ b/drivers/char/mbcs.c
@@ -26,6 +26,7 @@
#include <linux/uio.h>
#include <linux/mutex.h>
#include <linux/smp_lock.h>
+#include <linux/slab.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include <asm/system.h>
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 1f3215ac085b..f54dab8acdcd 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -225,6 +225,7 @@ int __weak phys_mem_access_prot_allowed(struct file *file,
* outside of main memory.
*
*/
+#ifdef pgprot_noncached
static int uncached_access(struct file *file, unsigned long addr)
{
#if defined(CONFIG_IA64)
@@ -251,6 +252,7 @@ static int uncached_access(struct file *file, unsigned long addr)
return addr >= __pa(high_memory);
#endif
}
+#endif
static pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
unsigned long size, pgprot_t vma_prot)
@@ -710,11 +712,6 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig)
switch (orig) {
case SEEK_CUR:
offset += file->f_pos;
- if ((unsigned long long)offset <
- (unsigned long long)file->f_pos) {
- ret = -EOVERFLOW;
- break;
- }
case SEEK_SET:
/* to avoid userland mistaking f_pos=-9 as -EBADF=-9 */
if ((unsigned long long)offset >= ~0xFFFULL) {
@@ -908,6 +905,9 @@ static int __init chr_dev_init(void)
printk("unable to get major %d for memory devs\n", MEM_MAJOR);
mem_class = class_create(THIS_MODULE, "mem");
+ if (IS_ERR(mem_class))
+ return PTR_ERR(mem_class);
+
mem_class->devnode = mem_devnode;
for (minor = 1; minor < ARRAY_SIZE(devlist); minor++) {
if (!devlist[minor].name)
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index 94a136e96c06..92ab03d28294 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -40,7 +40,6 @@
#include <linux/miscdevice.h>
#include <linux/kernel.h>
#include <linux/major.h>
-#include <linux/slab.h>
#include <linux/mutex.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
@@ -49,6 +48,7 @@
#include <linux/device.h>
#include <linux/tty.h>
#include <linux/kmod.h>
+#include <linux/gfp.h>
/*
* Head entry for the doubly linked miscdevice list
diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c
index 04fd0d843b3b..ea7c99fa978f 100644
--- a/drivers/char/mmtimer.c
+++ b/drivers/char/mmtimer.c
@@ -33,6 +33,7 @@
#include <linux/time.h>
#include <linux/math64.h>
#include <linux/smp_lock.h>
+#include <linux/slab.h>
#include <asm/uaccess.h>
#include <asm/sn/addrs.h>
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index 166495d6a1d7..107b0bd58d19 100644
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@@ -43,6 +43,7 @@
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/bitops.h>
+#include <linux/slab.h>
#include <asm/system.h>
#include <asm/io.h>
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index e0c5d2a69046..47023053ee85 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -33,12 +33,12 @@
#include <linux/string.h>
#include <linux/fcntl.h>
#include <linux/ptrace.h>
-#include <linux/gfp.h>
#include <linux/ioport.h>
#include <linux/mm.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/bitops.h>
+#include <linux/slab.h>
#include <asm/system.h>
#include <asm/io.h>
@@ -1768,7 +1768,7 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file,
int len, lsr;
len = mxser_chars_in_buffer(tty);
- spin_lock(&info->slock);
+ spin_lock_irq(&info->slock);
lsr = inb(info->ioaddr + UART_LSR) & UART_LSR_THRE;
spin_unlock_irq(&info->slock);
len += (lsr ? 0 : 1);
@@ -1778,12 +1778,12 @@ static int mxser_ioctl(struct tty_struct *tty, struct file *file,
case MOXA_ASPP_MON: {
int mcr, status;
- spin_lock(&info->slock);
+ spin_lock_irq(&info->slock);
status = mxser_get_msr(info->ioaddr, 1, tty->index);
mxser_check_modem_status(tty, info, status);
mcr = inb(info->ioaddr + UART_MCR);
- spin_unlock(&info->slock);
+ spin_unlock_irq(&info->slock);
if (mcr & MOXA_MUST_MCR_XON_FLAG)
info->mon_data.hold_reason &= ~NPPI_NOTIFY_XOFFHOLD;
diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c
index a3f32a15fde4..a6638003f530 100644
--- a/drivers/char/nozomi.c
+++ b/drivers/char/nozomi.c
@@ -55,6 +55,7 @@
#include <linux/init.h>
#include <linux/kfifo.h>
#include <linux/uaccess.h>
+#include <linux/slab.h>
#include <asm/byteorder.h>
#include <linux/delay.h>
diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
index 5eb83c3ca20d..47e8f7b0e4c1 100644
--- a/drivers/char/nvram.c
+++ b/drivers/char/nvram.c
@@ -100,7 +100,6 @@
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/miscdevice.h>
-#include <linux/slab.h>
#include <linux/ioport.h>
#include <linux/fcntl.h>
#include <linux/mc146818rtc.h>
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index c9bc896d68af..90b199f97bec 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -1026,14 +1026,16 @@ static ssize_t cmm_read(struct file *filp, __user char *buf, size_t count,
xoutb(0, REG_FLAGS1(iobase)); /* clear detectCMM */
/* last check before exit */
- if (!io_detect_cm4000(iobase, dev))
- count = -ENODEV;
+ if (!io_detect_cm4000(iobase, dev)) {
+ rc = -ENODEV;
+ goto release_io;
+ }
if (test_bit(IS_INVREV, &dev->flags) && count > 0)
str_invert_revert(dev->rbuf, count);
if (copy_to_user(buf, dev->rbuf, count))
- return -EFAULT;
+ rc = -EFAULT;
release_io:
clear_bit(LOCK_IO, &dev->flags);
diff --git a/drivers/char/pcmcia/ipwireless/network.c b/drivers/char/pcmcia/ipwireless/network.c
index 590762a7f217..65920163f53d 100644
--- a/drivers/char/pcmcia/ipwireless/network.c
+++ b/drivers/char/pcmcia/ipwireless/network.c
@@ -21,6 +21,7 @@
#include <linux/netdevice.h>
#include <linux/ppp_channel.h>
#include <linux/ppp_defs.h>
+#include <linux/slab.h>
#include <linux/if_ppp.h>
#include <linux/skbuff.h>
diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c
index 432655bcb04c..fdd37543aa79 100644
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -64,6 +64,7 @@
#include <linux/parport.h>
#include <linux/ctype.h>
#include <linux/poll.h>
+#include <linux/slab.h>
#include <linux/major.h>
#include <linux/ppdev.h>
#include <linux/smp_lock.h>
diff --git a/drivers/char/ps3flash.c b/drivers/char/ps3flash.c
index f424d394a286..606048b72bcf 100644
--- a/drivers/char/ps3flash.c
+++ b/drivers/char/ps3flash.c
@@ -20,6 +20,7 @@
#include <linux/fs.h>
#include <linux/miscdevice.h>
+#include <linux/slab.h>
#include <linux/uaccess.h>
#include <asm/lv1call.h>
diff --git a/drivers/char/pty.c b/drivers/char/pty.c
index 5ee424817263..d83a43130df4 100644
--- a/drivers/char/pty.c
+++ b/drivers/char/pty.c
@@ -29,6 +29,7 @@
#include <linux/uaccess.h>
#include <linux/bitops.h>
#include <linux/devpts_fs.h>
+#include <linux/slab.h>
#include <asm/system.h>
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index 64acd05f71c8..8756ab0daa8b 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -20,6 +20,7 @@
#include <linux/device.h>
#include <linux/mutex.h>
#include <linux/smp_lock.h>
+#include <linux/gfp.h>
#include <asm/uaccess.h>
@@ -247,6 +248,7 @@ static const struct file_operations raw_fops = {
.aio_read = generic_file_aio_read,
.write = do_sync_write,
.aio_write = blkdev_aio_write,
+ .fsync = blkdev_fsync,
.open = raw_open,
.release= raw_release,
.ioctl = raw_ioctl,
diff --git a/drivers/char/rio/rioinit.c b/drivers/char/rio/rioinit.c
index be0ba401966e..24a282bb89d4 100644
--- a/drivers/char/rio/rioinit.c
+++ b/drivers/char/rio/rioinit.c
@@ -31,7 +31,6 @@
*/
#include <linux/module.h>
-#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <asm/io.h>
diff --git a/drivers/char/rio/riointr.c b/drivers/char/rio/riointr.c
index 71f87600907c..2e71aecae206 100644
--- a/drivers/char/rio/riointr.c
+++ b/drivers/char/rio/riointr.c
@@ -31,7 +31,6 @@
*/
#include <linux/module.h>
-#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
diff --git a/drivers/char/rio/rioparam.c b/drivers/char/rio/rioparam.c
index d687c17be152..6415f3f32a72 100644
--- a/drivers/char/rio/rioparam.c
+++ b/drivers/char/rio/rioparam.c
@@ -31,7 +31,6 @@
*/
#include <linux/module.h>
-#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/tty.h>
#include <asm/io.h>
diff --git a/drivers/char/rio/rioroute.c b/drivers/char/rio/rioroute.c
index 706c2a25f7aa..f9b936ac3394 100644
--- a/drivers/char/rio/rioroute.c
+++ b/drivers/char/rio/rioroute.c
@@ -31,7 +31,6 @@
*/
#include <linux/module.h>
-#include <linux/slab.h>
#include <linux/errno.h>
#include <asm/io.h>
#include <asm/system.h>
diff --git a/drivers/char/rio/riotty.c b/drivers/char/rio/riotty.c
index 47fab7c33073..8a90393faf3c 100644
--- a/drivers/char/rio/riotty.c
+++ b/drivers/char/rio/riotty.c
@@ -34,7 +34,6 @@
#include <linux/module.h>
#include <linux/sched.h>
-#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/tty.h>
#include <linux/string.h>
diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c
index 1ec3d5cd748f..8dfd24721a82 100644
--- a/drivers/char/serial167.c
+++ b/drivers/char/serial167.c
@@ -64,6 +64,7 @@
#include <linux/module.h>
#include <linux/bitops.h>
#include <linux/tty_flip.h>
+#include <linux/gfp.h>
#include <asm/system.h>
#include <asm/io.h>
diff --git a/drivers/char/snsc_event.c b/drivers/char/snsc_event.c
index 55a95892ccf9..ee156948b9f8 100644
--- a/drivers/char/snsc_event.c
+++ b/drivers/char/snsc_event.c
@@ -17,6 +17,7 @@
#include <linux/interrupt.h>
#include <linux/sched.h>
+#include <linux/slab.h>
#include <asm/byteorder.h>
#include <asm/sn/sn_sal.h>
#include <asm/unaligned.h>
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index bba727c3807e..73f66d03624d 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -50,6 +50,7 @@
#include <linux/err.h>
#include <linux/kfifo.h>
#include <linux/platform_device.h>
+#include <linux/gfp.h>
#include <asm/uaccess.h>
#include <asm/io.h>
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index 07ac14d949ce..2c24fcdc722a 100644
--- a/drivers/char/specialix.c
+++ b/drivers/char/specialix.c
@@ -94,6 +94,7 @@
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/uaccess.h>
+#include <linux/gfp.h>
#include "specialix_io8.h"
#include "cd1865.h"
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index 1ae2de7d8b4f..59de2525d303 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -38,6 +38,7 @@
#include <linux/workqueue.h>
#include <linux/hrtimer.h>
#include <linux/oom.h>
+#include <linux/slab.h>
#include <asm/ptrace.h>
#include <asm/irq_regs.h>
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index f06bb37defb1..068c816e6942 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -24,6 +24,7 @@
*/
#include <linux/poll.h>
+#include <linux/slab.h>
#include <linux/mutex.h>
#include <linux/spinlock.h>
diff --git a/drivers/char/tpm/tpm_bios.c b/drivers/char/tpm/tpm_bios.c
index bf2170fb1cdd..0636520fa9bf 100644
--- a/drivers/char/tpm/tpm_bios.c
+++ b/drivers/char/tpm/tpm_bios.c
@@ -22,6 +22,7 @@
#include <linux/fs.h>
#include <linux/security.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include <acpi/acpi.h>
#include "tpm.h"
diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c
index 70efba2ee053..a605cb7dd898 100644
--- a/drivers/char/tpm/tpm_nsc.c
+++ b/drivers/char/tpm/tpm_nsc.c
@@ -20,6 +20,7 @@
*/
#include <linux/platform_device.h>
+#include <linux/slab.h>
#include "tpm.h"
/* National definitions */
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 2405f17b29dd..94345994f8a6 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -22,6 +22,7 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/pnp.h>
+#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/wait.h>
#include "tpm.h"
diff --git a/drivers/char/tty_audit.c b/drivers/char/tty_audit.c
index 283a15bc84e3..1b8ee590b4ca 100644
--- a/drivers/char/tty_audit.c
+++ b/drivers/char/tty_audit.c
@@ -10,6 +10,7 @@
*/
#include <linux/audit.h>
+#include <linux/slab.h>
#include <linux/tty.h>
struct tty_audit_buf {
diff --git a/drivers/char/tty_buffer.c b/drivers/char/tty_buffer.c
index af8d97715728..7ee52164d474 100644
--- a/drivers/char/tty_buffer.c
+++ b/drivers/char/tty_buffer.c
@@ -248,7 +248,7 @@ int tty_insert_flip_string_fixed_flag(struct tty_struct *tty,
{
int copied = 0;
do {
- int goal = min(size - copied, TTY_BUFFER_PAGE);
+ int goal = min_t(size_t, size - copied, TTY_BUFFER_PAGE);
int space = tty_buffer_request_room(tty, goal);
struct tty_buffer *tb = tty->buf.tail;
/* If there is no space then tb may be NULL */
@@ -285,7 +285,7 @@ int tty_insert_flip_string_flags(struct tty_struct *tty,
{
int copied = 0;
do {
- int goal = min(size - copied, TTY_BUFFER_PAGE);
+ int goal = min_t(size_t, size - copied, TTY_BUFFER_PAGE);
int space = tty_buffer_request_room(tty, goal);
struct tty_buffer *tb = tty->buf.tail;
/* If there is no space then tb may be NULL */
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index a42c466f7092..6da962c9b21c 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1423,6 +1423,8 @@ static void release_one_tty(struct work_struct *work)
list_del_init(&tty->tty_files);
file_list_unlock();
+ put_pid(tty->pgrp);
+ put_pid(tty->session);
free_tty_struct(tty);
}
diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c
index be492dd66437..a3bd1d0b66cf 100644
--- a/drivers/char/tty_port.c
+++ b/drivers/char/tty_port.c
@@ -119,7 +119,7 @@ EXPORT_SYMBOL(tty_port_tty_set);
static void tty_port_shutdown(struct tty_port *port)
{
mutex_lock(&port->mutex);
- if (port->ops->shutdown &&
+ if (port->ops->shutdown && !port->console &&
test_and_clear_bit(ASYNCB_INITIALIZED, &port->flags))
port->ops->shutdown(port);
mutex_unlock(&port->mutex);
diff --git a/drivers/char/viotape.c b/drivers/char/viotape.c
index 042c8149a6d1..1144a04cda6e 100644
--- a/drivers/char/viotape.c
+++ b/drivers/char/viotape.c
@@ -47,6 +47,7 @@
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/smp_lock.h>
+#include <linux/slab.h>
#include <asm/uaccess.h>
#include <asm/ioctls.h>
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index f404ccfc9c20..196428c2287a 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -25,6 +25,7 @@
#include <linux/list.h>
#include <linux/poll.h>
#include <linux/sched.h>
+#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/virtio.h>
#include <linux/virtio_console.h>
@@ -32,6 +33,35 @@
#include <linux/workqueue.h>
#include "hvc_console.h"
+/* Moved here from .h file in order to disable MULTIPORT. */
+#define VIRTIO_CONSOLE_F_MULTIPORT 1 /* Does host provide multiple ports? */
+
+struct virtio_console_multiport_conf {
+ struct virtio_console_config config;
+ /* max. number of ports this device can hold */
+ __u32 max_nr_ports;
+ /* number of ports added so far */
+ __u32 nr_ports;
+} __attribute__((packed));
+
+/*
+ * A message that's passed between the Host and the Guest for a
+ * particular port.
+ */
+struct virtio_console_control {
+ __u32 id; /* Port number */
+ __u16 event; /* The kind of control event (see below) */
+ __u16 value; /* Extra information for the key */
+};
+
+/* Some events for control messages */
+#define VIRTIO_CONSOLE_PORT_READY 0
+#define VIRTIO_CONSOLE_CONSOLE_PORT 1
+#define VIRTIO_CONSOLE_RESIZE 2
+#define VIRTIO_CONSOLE_PORT_OPEN 3
+#define VIRTIO_CONSOLE_PORT_NAME 4
+#define VIRTIO_CONSOLE_PORT_REMOVE 5
+
/*
* This is a global struct for storing common data for all the devices
* this driver handles.
@@ -120,7 +150,7 @@ struct ports_device {
spinlock_t cvq_lock;
/* The current config space is stored here */
- struct virtio_console_config config;
+ struct virtio_console_multiport_conf config;
/* The virtio device we're associated with */
struct virtio_device *vdev;
@@ -415,20 +445,16 @@ static ssize_t send_buf(struct port *port, void *in_buf, size_t in_count)
out_vq->vq_ops->kick(out_vq);
if (ret < 0) {
- len = 0;
+ in_count = 0;
goto fail;
}
- /*
- * Wait till the host acknowledges it pushed out the data we
- * sent. Also ensure we return to userspace the number of
- * bytes that were successfully consumed by the host.
- */
+ /* Wait till the host acknowledges it pushed out the data we sent. */
while (!out_vq->vq_ops->get_buf(out_vq, &len))
cpu_relax();
fail:
/* We're expected to return the amount of data we wrote */
- return len;
+ return in_count;
}
/*
@@ -645,13 +671,13 @@ static int put_chars(u32 vtermno, const char *buf, int count)
{
struct port *port;
+ if (unlikely(early_put_chars))
+ return early_put_chars(vtermno, buf, count);
+
port = find_port_by_vtermno(vtermno);
if (!port)
return 0;
- if (unlikely(early_put_chars))
- return early_put_chars(vtermno, buf, count);
-
return send_buf(port, (void *)buf, count);
}
@@ -681,6 +707,10 @@ static void resize_console(struct port *port)
struct virtio_device *vdev;
struct winsize ws;
+ /* The port could have been hot-unplugged */
+ if (!port)
+ return;
+
vdev = port->portdev->vdev;
if (virtio_has_feature(vdev, VIRTIO_CONSOLE_F_SIZE)) {
vdev->config->get(vdev,
@@ -947,11 +977,18 @@ static void handle_control_message(struct ports_device *portdev,
*/
err = sysfs_create_group(&port->dev->kobj,
&port_attribute_group);
- if (err)
+ if (err) {
dev_err(port->dev,
"Error %d creating sysfs device attributes\n",
err);
-
+ } else {
+ /*
+ * Generate a udev event so that appropriate
+ * symlinks can be created based on udev
+ * rules.
+ */
+ kobject_uevent(&port->dev->kobj, KOBJ_CHANGE);
+ }
break;
case VIRTIO_CONSOLE_PORT_REMOVE:
/*
@@ -1206,7 +1243,7 @@ fail:
*/
static void config_work_handler(struct work_struct *work)
{
- struct virtio_console_config virtconconf;
+ struct virtio_console_multiport_conf virtconconf;
struct ports_device *portdev;
struct virtio_device *vdev;
int err;
@@ -1215,7 +1252,8 @@ static void config_work_handler(struct work_struct *work)
vdev = portdev->vdev;
vdev->config->get(vdev,
- offsetof(struct virtio_console_config, nr_ports),
+ offsetof(struct virtio_console_multiport_conf,
+ nr_ports),
&virtconconf.nr_ports,
sizeof(virtconconf.nr_ports));
@@ -1407,16 +1445,19 @@ static int __devinit virtcons_probe(struct virtio_device *vdev)
multiport = false;
portdev->config.nr_ports = 1;
portdev->config.max_nr_ports = 1;
+#if 0 /* Multiport is not quite ready yet --RR */
if (virtio_has_feature(vdev, VIRTIO_CONSOLE_F_MULTIPORT)) {
multiport = true;
vdev->features[0] |= 1 << VIRTIO_CONSOLE_F_MULTIPORT;
- vdev->config->get(vdev, offsetof(struct virtio_console_config,
- nr_ports),
+ vdev->config->get(vdev,
+ offsetof(struct virtio_console_multiport_conf,
+ nr_ports),
&portdev->config.nr_ports,
sizeof(portdev->config.nr_ports));
- vdev->config->get(vdev, offsetof(struct virtio_console_config,
- max_nr_ports),
+ vdev->config->get(vdev,
+ offsetof(struct virtio_console_multiport_conf,
+ max_nr_ports),
&portdev->config.max_nr_ports,
sizeof(portdev->config.max_nr_ports));
if (portdev->config.nr_ports > portdev->config.max_nr_ports) {
@@ -1432,6 +1473,7 @@ static int __devinit virtcons_probe(struct virtio_device *vdev)
/* Let the Host know we support multiple ports.*/
vdev->config->finalize_features(vdev);
+#endif
err = init_vqs(portdev);
if (err < 0) {
@@ -1514,7 +1556,6 @@ static struct virtio_device_id id_table[] = {
static unsigned int features[] = {
VIRTIO_CONSOLE_F_SIZE,
- VIRTIO_CONSOLE_F_MULTIPORT,
};
static struct virtio_driver virtio_console = {
diff --git a/drivers/char/vme_scc.c b/drivers/char/vme_scc.c
index 8b24729fec89..12de1202d22c 100644
--- a/drivers/char/vme_scc.c
+++ b/drivers/char/vme_scc.c
@@ -27,7 +27,6 @@
#include <linux/fcntl.h>
#include <linux/major.h>
#include <linux/delay.h>
-#include <linux/slab.h>
#include <linux/miscdevice.h>
#include <linux/console.h>
#include <linux/init.h>
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index 87778dcf8727..6aa10284104a 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -888,7 +888,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
ret = -EFAULT;
goto out;
}
- if (tmp.mode != VT_AUTO && tmp.mode != VT_PROCESS && tmp.mode != VT_PROCESS_AUTO) {
+ if (tmp.mode != VT_AUTO && tmp.mode != VT_PROCESS) {
ret = -EINVAL;
goto out;
}
@@ -1622,7 +1622,7 @@ static void complete_change_console(struct vc_data *vc)
* telling it that it has acquired. Also check if it has died and
* clean up (similar to logic employed in change_console())
*/
- if (vc->vt_mode.mode == VT_PROCESS || vc->vt_mode.mode == VT_PROCESS_AUTO) {
+ if (vc->vt_mode.mode == VT_PROCESS) {
/*
* Send the signal as privileged - kill_pid() will
* tell us if the process has gone or something else
@@ -1682,7 +1682,7 @@ void change_console(struct vc_data *new_vc)
* vt to auto control.
*/
vc = vc_cons[fg_console].d;
- if (vc->vt_mode.mode == VT_PROCESS || vc->vt_mode.mode == VT_PROCESS_AUTO) {
+ if (vc->vt_mode.mode == VT_PROCESS) {
/*
* Send the signal as privileged - kill_pid() will
* tell us if the process has gone or something else
@@ -1693,28 +1693,27 @@ void change_console(struct vc_data *new_vc)
*/
vc->vt_newvt = new_vc->vc_num;
if (kill_pid(vc->vt_pid, vc->vt_mode.relsig, 1) == 0) {
- if(vc->vt_mode.mode == VT_PROCESS)
- /*
- * It worked. Mark the vt to switch to and
- * return. The process needs to send us a
- * VT_RELDISP ioctl to complete the switch.
- */
- return;
- } else {
/*
- * The controlling process has died, so we revert back to
- * normal operation. In this case, we'll also change back
- * to KD_TEXT mode. I'm not sure if this is strictly correct
- * but it saves the agony when the X server dies and the screen
- * remains blanked due to KD_GRAPHICS! It would be nice to do
- * this outside of VT_PROCESS but there is no single process
- * to account for and tracking tty count may be undesirable.
+ * It worked. Mark the vt to switch to and
+ * return. The process needs to send us a
+ * VT_RELDISP ioctl to complete the switch.
*/
- reset_vc(vc);
+ return;
}
/*
- * Fall through to normal (VT_AUTO and VT_PROCESS_AUTO) handling of the switch...
+ * The controlling process has died, so we revert back to
+ * normal operation. In this case, we'll also change back
+ * to KD_TEXT mode. I'm not sure if this is strictly correct
+ * but it saves the agony when the X server dies and the screen
+ * remains blanked due to KD_GRAPHICS! It would be nice to do
+ * this outside of VT_PROCESS but there is no single process
+ * to account for and tracking tty count may be undesirable.
+ */
+ reset_vc(vc);
+
+ /*
+ * Fall through to normal (VT_AUTO) handling of the switch...
*/
}
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
index 4846d50199f3..7261b8d9087c 100644
--- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c
+++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
@@ -86,6 +86,7 @@
#include <linux/fs.h>
#include <linux/cdev.h>
#include <linux/platform_device.h>
+#include <linux/slab.h>
#include <asm/io.h>
#include <asm/uaccess.h>