h8300: GENERIC_BUG support

CONFIG_GENERIC_BUG support.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/h8300/mm/fault.c b/arch/h8300/mm/fault.c
index 29e9af9..1d092ab 100644
--- a/arch/h8300/mm/fault.c
+++ b/arch/h8300/mm/fault.c
@@ -20,8 +20,6 @@
 #include <asm/system.h>
 #include <asm/pgtable.h>
 
-extern void die_if_kernel(char *, struct pt_regs *, long);
-
 /*
  * This routine handles page faults.  It determines the problem, and
  * then passes it off to one of the appropriate routines.
@@ -50,7 +48,8 @@
 	} else
 		printk(KERN_ALERT "Unable to handle kernel access");
 	printk(" at virtual address %08lx\n",address);
-	die_if_kernel("Oops", regs, error_code);
+	if (!user_mode(regs))
+		die("Oops", regs, error_code);
 	do_exit(SIGKILL);
 
 	return 1;