[PATCH] exit: fix crash case

If we are going to BUG() not panic() here then we should cover the case of
the BUG being compiled out

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/kernel/exit.c b/kernel/exit.c
index 3ec7b10eae38..a51b347ae67b 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -963,7 +963,8 @@ fastcall NORET_TYPE void do_exit(long code)
         schedule();
         BUG();
         /* Avoid "noreturn function does return".  */
-        for (;;) ;
+        for (;;)
+                cpu_relax();    /* For when BUG is null */
 }
 
 EXPORT_SYMBOL_GPL(do_exit);