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| author | Jiri Kosina <jkosina@suse.cz> | 2008-06-04 10:26:59 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2008-06-04 10:26:59 +0200 |
| commit | f38bb7de289f5c15e287386d35e9c325f1062c49 (patch) | |
| tree | 38e69a9ecea18243e3f66bcf51bc89cd7b8f0c94 /kernel/exit.c | |
| parent | 2d4b3f37ded8998a362c8d0b4be02f583dd9a002 (diff) | |
| parent | c3b25b32e8bef526cca748e1ba023c6bdd705a99 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 1510f78a0ffa..8f6185e69b69 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -126,6 +126,12 @@ static void __exit_signal(struct task_struct *tsk) __unhash_process(tsk); + /* + * Do this under ->siglock, we can race with another thread + * doing sigqueue_free() if we have SIGQUEUE_PREALLOC signals. + */ + flush_sigqueue(&tsk->pending); + tsk->signal = NULL; tsk->sighand = NULL; spin_unlock(&sighand->siglock); @@ -133,7 +139,6 @@ static void __exit_signal(struct task_struct *tsk) __cleanup_sighand(sighand); clear_tsk_thread_flag(tsk,TIF_SIGPENDING); - flush_sigqueue(&tsk->pending); if (sig) { flush_sigqueue(&sig->shared_pending); taskstats_tgid_free(sig); |