diff options
-rw-r--r-- | drivers/usb/core/urb.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index e0d9d948218..16927fa88fb 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -683,10 +683,13 @@ EXPORT_SYMBOL_GPL(usb_kill_urb); void usb_poison_urb(struct urb *urb) { might_sleep(); - if (!(urb && urb->dev && urb->ep)) + if (!urb) return; atomic_inc(&urb->reject); + if (!urb->dev || !urb->ep) + return; + usb_hcd_unlink_urb(urb, -ENOENT); wait_event(usb_kill_urb_queue, atomic_read(&urb->use_count) == 0); } |