commit 54306cf04c0ea0a8c432603dbc657ab62a438668
author Alan Cox <alan@lxorguk.ukuu.org.uk> Fri Sep 29 02:00:42 2006 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> Fri Sep 29 09:18:16 2006 -0700
tree da60e18bfdc89803255c02c026e065c144e43a96
parent 3cfd0885fac78c130a119ed576d18b5948fa2a5a

[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>

kernel/exit.c

diff --git a/kernel/exit.c b/kernel/exit.c
index 3ec7b10..a51b347 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -963,7 +963,8 @@
 	schedule();
 	BUG();
 	/* Avoid "noreturn function does return".  */
-	for (;;) ;
+	for (;;)
+		cpu_relax();	/* For when BUG is null */
 }
 
 EXPORT_SYMBOL_GPL(do_exit);