[ARM] 2932/1: Avoid the "noreturn" warning in arch/arm/kernel/traps.c

Patch from Catalin Marinas

This patch prevents the "noreturn function does return" warning in the
__bug() function in arch/arm/kernel/traps.c

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 4554c96..e7d22db 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -624,6 +624,9 @@
 		printk(" - extra data = %p", data);
 	printk("\n");
 	*(int *)0 = 0;
+
+	/* Avoid "noreturn function does return" */
+	for (;;);
 }
 EXPORT_SYMBOL(__bug);