diff options
| author | Paul Menage <menage@google.com> | 2009-05-26 20:47:02 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-05-26 20:47:02 -0700 |
| commit | e65fcfd63a9a62baa5708484ff8edbe56eb3e7ec (patch) | |
| tree | 0d21a21c2b87ef1c8db600d6abed3ba3e22cdaef /block | |
| parent | 7682455ec36fce70bdbad9f739de05060dedfa27 (diff) | |
cls_cgroup: read classid atomically in classifier
Avoid reading the unsynchronized value cs->classid multiple times,
since it could change concurrently from non-zero to zero; this would
result in the classifier returning a positive result with a bogus
(zero) classid.
Signed-off-by: Paul Menage <menage@google.com>
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'block')
0 files changed, 0 insertions, 0 deletions