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| author | Eugene Teo <eugeneteo@kernel.sg> | 2007-10-18 23:40:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-19 11:53:42 -0700 |
| commit | 270f722d4d5f94b02fd48eed47e57917ab00a858 (patch) | |
| tree | f6f58a0730c8968d2b4b983965b4409761616ab2 /kernel/fork.c | |
| parent | d85f50d5e1aa99ab082035f94265847521819e58 (diff) | |
| download | lwn-270f722d4d5f94b02fd48eed47e57917ab00a858.tar.gz lwn-270f722d4d5f94b02fd48eed47e57917ab00a858.zip | |
Fix tsk->exit_state usage
tsk->exit_state can only be 0, EXIT_ZOMBIE, or EXIT_DEAD. A non-zero test
is the same as tsk->exit_state & (EXIT_ZOMBIE | EXIT_DEAD), so just testing
tsk->exit_state is sufficient.
Signed-off-by: Eugene Teo <eugeneteo@kernel.sg>
Cc: Roland McGrath <roland@redhat.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index a794bfcf6003..240aa6601f5b 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -117,7 +117,7 @@ EXPORT_SYMBOL(free_task); void __put_task_struct(struct task_struct *tsk) { - WARN_ON(!(tsk->exit_state & (EXIT_DEAD | EXIT_ZOMBIE))); + WARN_ON(!tsk->exit_state); WARN_ON(atomic_read(&tsk->usage)); WARN_ON(tsk == current); |