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>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/proc/array.c b/fs/proc/array.c
index 04b689f3288f..7a34571203bc 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -146,8 +146,7 @@ static inline const char *get_task_state(struct task_struct *tsk)
                                             TASK_UNINTERRUPTIBLE |
                                             TASK_STOPPED |
                                             TASK_TRACED)) |
-                        (tsk->exit_state & (EXIT_ZOMBIE |
-                                            EXIT_DEAD));
+                                           tsk->exit_state;
         const char **p = &task_state_array[0];
 
         while (state) {