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authorPavel Machek <pavel@suse.cz>2008-05-02 16:45:10 -0700
committerDavid S. Miller <davem@davemloft.net>2008-05-02 16:45:10 -0700
commit026672d0997c911c9bef9aabe862884fc0add106 (patch)
tree6867e7e256f23102e5f73e267aa8a8b790717467 /drivers/net/tg3.c
parent84994e16f25dabe234be4fc2d323ec9db95b87cb (diff)
downloadlinux-026672d0997c911c9bef9aabe862884fc0add106.tar.gz
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>
Diffstat (limited to 'drivers/net/tg3.c')
0 files changed, 0 insertions, 0 deletions