]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 84af07a) | patch
VFIO: use ACCESS_ONCE() to guard access to dev->driver
authorJiang Liu <liuj97@gmail.com>
Fri, 7 Dec 2012 20:43:50 +0000 (13:43 -0700)
committerAlex Williamson <alex.williamson@redhat.com>
Fri, 7 Dec 2012 20:43:50 +0000 (13:43 -0700)
commit52c78909020faf1eb177b9b2880e847242bc6332
tree4f744043daec519931283d7f9060fc5e8dd47756tree | snapshot
parent84af07a233163d46541ea181632be1f15b4ec6accommit | diff
VFIO: use ACCESS_ONCE() to guard access to dev->driver

Comments from dev_driver_string(),
/* dev->driver can change to NULL underneath us because of unbinding,
 * so be careful about accessing it.
 */

So use ACCESS_ONCE() to guard access to dev->driver field.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
drivers/vfio/vfio.c diff | blob | history
Linux Kernel Source Tree.