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| author |   Wang YanQing <udknight@gmail.com> | 2015-06-23 18:54:45 +0800 |
|---|---|---|
| committer |   Al Viro <viro@zeniv.linux.org.uk> | 2015-07-01 01:50:06 -0400 |
| commit | 1af95de6f0119d5bde02d3a811a9f3a3661e954e (patch) | |
| tree | 703a419f2f4c0203683b9030450d54bfaf1f76d8 /include | |
| parent | vfs: avoid creation of inode number 0 in get_next_ino (diff) | |
| download | wireguard-linux-1af95de6f0119d5bde02d3a811a9f3a3661e954e.tar.xz wireguard-linux-1af95de6f0119d5bde02d3a811a9f3a3661e954e.zip | |
fs:super:get_anon_bdev: fix race condition could cause dev exceed its upper limitation
Execution of get_anon_bdev concurrently and preemptive kernel all
could bring race condition, it isn't enough to check dev against
its upper limitation with equality operator only.
This patch fix it.
Signed-off-by: Wang YanQing <udknight@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions