| commit | 026672d0997c911c9bef9aabe862884fc0add106 | [log] [tgz] |
|---|---|---|
| author | Pavel Machek <pavel@suse.cz> | Fri May 02 16:45:10 2008 -0700 |
| committer | David S. Miller <davem@davemloft.net> | Fri May 02 16:45:10 2008 -0700 |
| tree | 6867e7e256f23102e5f73e267aa8a8b790717467 | |
| parent | 84994e16f25dabe234be4fc2d323ec9db95b87cb [diff] |
hci_usb.h: fix hard-to-trigger race If someone tries to _urb_unlink while _urb_queue_head is running, he'll see _urb->queue == NULL and fail to do any locking. Prevent that from happening by strategically placed barriers. Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>