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| author | Salman Qazi <sqazi@google.com> | 2012-06-14 23:55:30 +0200 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2012-06-19 00:38:02 +0200 |
| commit | 8e3bbf42c6d73881956863cc3305456afe2bc4ea (patch) | |
| tree | bb3369e7444a2efe8e890ddd341e576e3cba18c1 /drivers/usb/serial/usb-serial.c | |
| parent | cgroup: make sure that decisions in __css_put are atomic (diff) | |
| download | linux-8e3bbf42c6d73881956863cc3305456afe2bc4ea.tar.xz linux-8e3bbf42c6d73881956863cc3305456afe2bc4ea.zip | |
cgroups: Account for CSS_DEACT_BIAS in __css_put
When we fixed the race between atomic_dec and css_refcnt, we missed
the fact that css_refcnt internally subtracts CSS_DEACT_BIAS to get
the actual reference count. This can potentially cause a refcount leak
if __css_put races with cgroup_clear_css_refs.
Signed-off-by: Salman Qazi <sqazi@google.com>
Acked-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
0 files changed, 0 insertions, 0 deletions