freezer: task->exit_state should be treated as bolean

Except for BUG_ON() checks, we should not use EXIT_XXXX defines outside of
exit/wait paths.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 3 deletions

diff --git a/kernel/power/process.c b/kernel/power/process.c
index 0eb5c420e8..179529dc38 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -25,10 +25,9 @@
 
 static inline int freezeable(struct task_struct * p)
 {
-        if ((p == current) || 
+        if ((p == current) ||
             (p->flags & PF_NOFREEZE) ||
-            (p->exit_state == EXIT_ZOMBIE) ||
-            (p->exit_state == EXIT_DEAD))
+            (p->exit_state != 0))
                 return 0;
         return 1;
 }