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authorGavin Li <git@thegavinli.com>2016-08-12 00:52:56 -0700
committerSasha Levin <alexander.levin@verizon.com>2016-08-31 19:21:09 -0400
commit9fd7c335115eb2a18b684bdc5c68627be60d4fdf (patch)
tree16422084c47f23e2a96544e3dc3bef369b4bea79 /drivers/usb
parent1a8eadfa9c79c3d1b780e8081cc1e5e242f1632d (diff)
cdc-acm: fix wrong pipe type on rx interrupt xfers
[ Upstream commit add125054b8727103631dce116361668436ef6a7 ] 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> Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Diffstat (limited to 'drivers/usb')
-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 09084c9da8b7..41dcefe67b43 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1346,7 +1346,6 @@ 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;
@@ -1386,14 +1385,14 @@ 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 ac830e0ae38b..bae1e3717d20 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -95,7 +95,6 @@ struct acm {
struct urb *read_urbs[ACM_NR];
struct acm_rb read_buffers[ACM_NR];
int rx_buflimit;
- int rx_endpoint;
spinlock_t read_lock;
int write_used; /* number of non-empty write buffers */
int transmitting;