From: Akinobu Mita <akinobu.mita@gmail.com>

Use is_init() rather than hard coded pid comparison.

Cc: Paul Mackerras <paulus@samba.org>
Cc: Anton Blanchard <anton@samba.org>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 arch/powerpc/kernel/traps.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN arch/powerpc/kernel/traps.c~powerpc-use-is_init arch/powerpc/kernel/traps.c
--- a/arch/powerpc/kernel/traps.c~powerpc-use-is_init
+++ a/arch/powerpc/kernel/traps.c
@@ -174,7 +174,7 @@ void _exception(int signr, struct pt_reg
 	 * generate the same exception over and over again and we get
 	 * nowhere.  Better to kill it and let the kernel panic.
 	 */
-	if (current->pid == 1) {
+	if (is_init(current)) {
 		__sighandler_t handler;
 
 		spin_lock_irq(&current->sighand->siglock);
_