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authorGavin Li <git@thegavinli.com>2016-08-12 10:52:56 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-08-15 17:30:56 +0300
commitadd125054b8727103631dce116361668436ef6a7 (patch)
tree2283125d164afcb3999c729a2e26180d7f120804 /drivers/usb/class
parentfa25425593814d1157fa592201e335c33694aeaa (diff)
downloadlinux-add125054b8727103631dce116361668436ef6a7.tar.xz
cdc-acm: fix wrong pipe type on rx interrupt xfers
This fixes the "BOGUS urb xfer" warning logged by usb_submit_urb(). Signed-off-by: Gavin Li <git@thegavinli.com> Acked-by: Oliver Neukum <oneukum@suse.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/class')
-rw-r--r--drivers/usb/class/cdc-acm.c5
-rw-r--r--drivers/usb/class/cdc-acm.h1
2 files changed, 2 insertions, 4 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 71912301ef7f..0f3f62e81e5b 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1354,7 +1354,6 @@ made_compressed_probe:
spin_lock_init(&acm->write_lock);
spin_lock_init(&acm->read_lock);
mutex_init(&acm->mutex);
- acm->rx_endpoint = usb_rcvbulkpipe(usb_dev, epread->bEndpointAddress);
acm->is_int_ep = usb_endpoint_xfer_int(epread);
if (acm->is_int_ep)
acm->bInterval = epread->bInterval;
@@ -1394,14 +1393,14 @@ made_compressed_probe:
urb->transfer_dma = rb->dma;
if (acm->is_int_ep) {
usb_fill_int_urb(urb, acm->dev,
- acm->rx_endpoint,
+ usb_rcvintpipe(usb_dev, epread->bEndpointAddress),
rb->base,
acm->readsize,
acm_read_bulk_callback, rb,
acm->bInterval);
} else {
usb_fill_bulk_urb(urb, acm->dev,
- acm->rx_endpoint,
+ usb_rcvbulkpipe(usb_dev, epread->bEndpointAddress),
rb->base,
acm->readsize,
acm_read_bulk_callback, rb);
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index 05ce308d5d2a..1f1eabfd8462 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -96,7 +96,6 @@ struct acm {
struct acm_rb read_buffers[ACM_NR];
struct acm_wb *putbuffer; /* for acm_tty_put_char() */
int rx_buflimit;
- int rx_endpoint;
spinlock_t read_lock;
int write_used; /* number of non-empty write buffers */
int transmitting;