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| author | Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | 2010-02-22 12:44:16 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-22 19:50:34 -0800 |
| commit | 701188374b6f1ef9cf7e4dce4a2e69ef4c0012ac (patch) | |
| tree | f716e33bde324c74553a8d0b2acfb70d8ca3f1cc /lib/idr.c | |
| parent | 5a2d41961dd6815b874b5c0afec0ac96cd90eea4 (diff) | |
| download | lwn-701188374b6f1ef9cf7e4dce4a2e69ef4c0012ac.tar.gz lwn-701188374b6f1ef9cf7e4dce4a2e69ef4c0012ac.zip | |
kernel/sys.c: fix missing rcu protection for sys_getpriority()
find_task_by_vpid() is not safe without rcu_read_lock(). 2.6.33-rc7 got
RCU protection for sys_setpriority() but missed it for sys_getpriority().
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: "Paul E. McKenney" <paulmck@us.ibm.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/idr.c')
0 files changed, 0 insertions, 0 deletions