USB: mark "reject" field of struct urb as atomic_t

It is enough to protect accesses to reject field of urb
by marking it as atomic_t,also it is the only reason of
existence of usb_reject_lock,so remove the lock to make
code more clean.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Acked-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/usb.h b/include/linux/usb.h
index e9d63562325a..4e8654a18250 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1340,7 +1340,7 @@ struct urb {
         struct kref kref;               /* reference count of the URB */
         void *hcpriv;                   /* private data for host controller */
         atomic_t use_count;             /* concurrent submissions counter */
-        u8 reject;                      /* submissions will fail */
+        atomic_t reject;                /* submissions will fail */
         int unlinked;                   /* unlink error code */
 
         /* public: documented fields in the urb that can be used by drivers */