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authorMaggie <xmzhang@brocade.com>2010-11-30 05:21:32 +0300
committerJames Bottomley <James.Bottomley@suse.de>2010-12-21 21:24:16 +0300
commit52f94b6fd0d1ff9d935c52f8a6360834ed871d92 (patch)
tree09a71f556a01fa71f37aacdc1da37bf60131f0d6 /drivers/scsi/bfa
parent3db86353abba4549f665fbdde8572d619566afbb (diff)
downloadlinux-52f94b6fd0d1ff9d935c52f8a6360834ed871d92.tar.xz
[SCSI] bfa: fix regular sparse check warnings.
Fix all sparse check warnings from make C=2. Signed-off-by: Maggie <xmzhang@brocade.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/bfa')
-rw-r--r--drivers/scsi/bfa/bfa_fcs_lport.c6
-rw-r--r--drivers/scsi/bfa/bfa_fcs_rport.c8
-rw-r--r--drivers/scsi/bfa/bfa_ioc.h2
-rw-r--r--drivers/scsi/bfa/bfa_ioc_cb.c2
-rw-r--r--drivers/scsi/bfa/bfa_ioc_ct.c2
-rw-r--r--drivers/scsi/bfa/bfad.c4
-rw-r--r--drivers/scsi/bfa/bfad_attr.c8
-rw-r--r--drivers/scsi/bfa/bfad_debugfs.c42
-rw-r--r--drivers/scsi/bfa/bfad_drv.h6
9 files changed, 52 insertions, 28 deletions
diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c
index 8d651309302b..30665c744462 100644
--- a/drivers/scsi/bfa/bfa_fcs_lport.c
+++ b/drivers/scsi/bfa/bfa_fcs_lport.c
@@ -2103,7 +2103,7 @@ bfa_fcs_lport_fdmi_timeout(void *arg)
bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
}
-void
+static void
bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
{
@@ -2147,7 +2147,7 @@ bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
hba_attr->max_ct_pyld = cpu_to_be32(FC_MAX_PDUSZ);
}
-void
+static void
bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
struct bfa_fcs_fdmi_port_attr_s *port_attr)
{
@@ -4150,7 +4150,7 @@ bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port)
bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
}
-void
+static void
bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port)
{
diff --git a/drivers/scsi/bfa/bfa_fcs_rport.c b/drivers/scsi/bfa/bfa_fcs_rport.c
index cf4a6e73e60d..60f2ddf23ebc 100644
--- a/drivers/scsi/bfa/bfa_fcs_rport.c
+++ b/drivers/scsi/bfa/bfa_fcs_rport.c
@@ -2359,14 +2359,6 @@ bfa_fcs_rport_itnim_ack(struct bfa_fcs_rport_s *rport)
bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE);
}
-/*
- * Called by fcptm to notify that the ITN cleanup is done.
- */
-void
-bfa_fcs_rport_tin_ack(struct bfa_fcs_rport_s *rport)
-{
- bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE);
-}
/*
* brief
diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h
index 9c407a87a1a1..eb1b005e5bc7 100644
--- a/drivers/scsi/bfa/bfa_ioc.h
+++ b/drivers/scsi/bfa/bfa_ioc.h
@@ -421,7 +421,7 @@ bfa_cb_image_get_chunk(int type, u32 off)
return bfi_image_ct_cna_get_chunk(off); break;
case BFI_IMAGE_CB_FC:
return bfi_image_cb_fc_get_chunk(off); break;
- default: return 0;
+ default: return NULL;
}
}
diff --git a/drivers/scsi/bfa/bfa_ioc_cb.c b/drivers/scsi/bfa/bfa_ioc_cb.c
index 909945043850..61f03cbe5431 100644
--- a/drivers/scsi/bfa/bfa_ioc_cb.c
+++ b/drivers/scsi/bfa/bfa_ioc_cb.c
@@ -32,7 +32,7 @@ static void bfa_ioc_cb_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix);
static void bfa_ioc_cb_notify_hbfail(struct bfa_ioc_s *ioc);
static void bfa_ioc_cb_ownership_reset(struct bfa_ioc_s *ioc);
-struct bfa_ioc_hwif_s hwif_cb;
+static struct bfa_ioc_hwif_s hwif_cb;
/*
* Called from bfa_ioc_attach() to map asic specific calls.
diff --git a/drivers/scsi/bfa/bfa_ioc_ct.c b/drivers/scsi/bfa/bfa_ioc_ct.c
index 115730c0aa77..79fb31203636 100644
--- a/drivers/scsi/bfa/bfa_ioc_ct.c
+++ b/drivers/scsi/bfa/bfa_ioc_ct.c
@@ -32,7 +32,7 @@ static void bfa_ioc_ct_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix);
static void bfa_ioc_ct_notify_hbfail(struct bfa_ioc_s *ioc);
static void bfa_ioc_ct_ownership_reset(struct bfa_ioc_s *ioc);
-struct bfa_ioc_hwif_s hwif_ct;
+static struct bfa_ioc_hwif_s hwif_ct;
/*
* Called from bfa_ioc_attach() to map asic specific calls.
diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c
index 6797720213b2..4239fdf0d2d1 100644
--- a/drivers/scsi/bfa/bfad.c
+++ b/drivers/scsi/bfa/bfad.c
@@ -61,12 +61,12 @@ int msix_disable_cb = 0, msix_disable_ct = 0;
u32 bfi_image_ct_fc_size, bfi_image_ct_cna_size, bfi_image_cb_fc_size;
u32 *bfi_image_ct_fc, *bfi_image_ct_cna, *bfi_image_cb_fc;
-const char *msix_name_ct[] = {
+static const char *msix_name_ct[] = {
"cpe0", "cpe1", "cpe2", "cpe3",
"rme0", "rme1", "rme2", "rme3",
"ctrl" };
-const char *msix_name_cb[] = {
+static const char *msix_name_cb[] = {
"cpe0", "cpe1", "cpe2", "cpe3",
"rme0", "rme1", "rme2", "rme3",
"eemc", "elpu0", "elpu1", "epss", "mlpu" };
diff --git a/drivers/scsi/bfa/bfad_attr.c b/drivers/scsi/bfa/bfad_attr.c
index ed9fff440b5c..d727f055bd8a 100644
--- a/drivers/scsi/bfa/bfad_attr.c
+++ b/drivers/scsi/bfa/bfad_attr.c
@@ -25,7 +25,7 @@
/*
* FC transport template entry, get SCSI target port ID.
*/
-void
+static void
bfad_im_get_starget_port_id(struct scsi_target *starget)
{
struct Scsi_Host *shost;
@@ -51,7 +51,7 @@ bfad_im_get_starget_port_id(struct scsi_target *starget)
/*
* FC transport template entry, get SCSI target nwwn.
*/
-void
+static void
bfad_im_get_starget_node_name(struct scsi_target *starget)
{
struct Scsi_Host *shost;
@@ -77,7 +77,7 @@ bfad_im_get_starget_node_name(struct scsi_target *starget)
/*
* FC transport template entry, get SCSI target pwwn.
*/
-void
+static void
bfad_im_get_starget_port_name(struct scsi_target *starget)
{
struct Scsi_Host *shost;
@@ -103,7 +103,7 @@ bfad_im_get_starget_port_name(struct scsi_target *starget)
/*
* FC transport template entry, get SCSI host port ID.
*/
-void
+static void
bfad_im_get_host_port_id(struct Scsi_Host *shost)
{
struct bfad_im_port_s *im_port =
diff --git a/drivers/scsi/bfa/bfad_debugfs.c b/drivers/scsi/bfa/bfad_debugfs.c
index 1fedeeb4ac1f..0fbd620474c7 100644
--- a/drivers/scsi/bfa/bfad_debugfs.c
+++ b/drivers/scsi/bfa/bfad_debugfs.c
@@ -208,7 +208,7 @@ bfad_debugfs_read(struct file *file, char __user *buf,
if (!debug || !debug->debug_buffer)
return 0;
- return memory_read_from_buffer(buf, nbytes, pos,
+ return simple_read_from_buffer(buf, nbytes, pos,
debug->debug_buffer, debug->buffer_len);
}
@@ -254,7 +254,7 @@ bfad_debugfs_read_regrd(struct file *file, char __user *buf,
if (!bfad->regdata)
return 0;
- rc = memory_read_from_buffer(buf, nbytes, pos,
+ rc = simple_read_from_buffer(buf, nbytes, pos,
bfad->regdata, bfad->reglen);
if ((*pos + nbytes) >= bfad->reglen) {
@@ -279,15 +279,31 @@ bfad_debugfs_write_regrd(struct file *file, const char __user *buf,
u32 *regbuf;
void __iomem *rb, *reg_addr;
unsigned long flags;
+ void *kern_buf;
- rc = sscanf(buf, "%x:%x", &addr, &len);
+ kern_buf = kzalloc(nbytes, GFP_KERNEL);
+
+ if (!kern_buf) {
+ printk(KERN_INFO "bfad[%d]: Failed to allocate buffer\n",
+ bfad->inst_no);
+ return -ENOMEM;
+ }
+
+ if (copy_from_user(kern_buf, (void __user *)buf, nbytes)) {
+ kfree(kern_buf);
+ return -ENOMEM;
+ }
+
+ rc = sscanf(kern_buf, "%x:%x", &addr, &len);
if (rc < 2) {
printk(KERN_INFO
"bfad[%d]: %s failed to read user buf\n",
bfad->inst_no, __func__);
+ kfree(kern_buf);
return -EINVAL;
}
+ kfree(kern_buf);
kfree(bfad->regdata);
bfad->regdata = NULL;
bfad->reglen = 0;
@@ -339,14 +355,30 @@ bfad_debugfs_write_regwr(struct file *file, const char __user *buf,
int addr, val, rc;
void __iomem *reg_addr;
unsigned long flags;
+ void *kern_buf;
+
+ kern_buf = kzalloc(nbytes, GFP_KERNEL);
+
+ if (!kern_buf) {
+ printk(KERN_INFO "bfad[%d]: Failed to allocate buffer\n",
+ bfad->inst_no);
+ return -ENOMEM;
+ }
+
+ if (copy_from_user(kern_buf, (void __user *)buf, nbytes)) {
+ kfree(kern_buf);
+ return -ENOMEM;
+ }
- rc = sscanf(buf, "%x:%x", &addr, &val);
+ rc = sscanf(kern_buf, "%x:%x", &addr, &val);
if (rc < 2) {
printk(KERN_INFO
"bfad[%d]: %s failed to read user buf\n",
bfad->inst_no, __func__);
+ kfree(kern_buf);
return -EINVAL;
}
+ kfree(kern_buf);
addr &= BFA_REG_ADDRMSK(bfa); /* offset only 17 bit and word align */
@@ -359,7 +391,7 @@ bfad_debugfs_write_regwr(struct file *file, const char __user *buf,
return -EINVAL;
}
- reg_addr = (u32 *) ((u8 *) bfa_ioc_bar0(ioc) + addr);
+ reg_addr = (bfa_ioc_bar0(ioc)) + addr;
spin_lock_irqsave(&bfad->bfad_lock, flags);
writel(val, reg_addr);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
diff --git a/drivers/scsi/bfa/bfad_drv.h b/drivers/scsi/bfa/bfad_drv.h
index d5ce2349ac59..b9bcb0b99b8a 100644
--- a/drivers/scsi/bfa/bfad_drv.h
+++ b/drivers/scsi/bfa/bfad_drv.h
@@ -263,10 +263,10 @@ struct bfad_hal_comp {
*/
#define nextLowerInt(x) \
do { \
- int i; \
+ int __i; \
(*x)--; \
- for (i = 1; i < (sizeof(int)*8); i <<= 1) \
- (*x) = (*x) | (*x) >> i; \
+ for (__i = 1; __i < (sizeof(int)*8); __i <<= 1) \
+ (*x) = (*x) | (*x) >> __i; \
(*x)++; \
(*x) = (*x) >> 1; \
} while (0)