[PATCH] M68K: user ARRAY_SIZE macro when appropriate

Use ARRAY_SIZE macro already defined in linux/kernel.h

Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c
index ef89060..7fd2720 100644
--- a/arch/m68k/kernel/ptrace.c
+++ b/arch/m68k/kernel/ptrace.c
@@ -76,7 +76,7 @@
 
 	if (regno == PT_USP)
 		addr = &task->thread.usp;
-	else if (regno < sizeof(regoff)/sizeof(regoff[0]))
+	else if (regno < ARRAY_SIZE(regoff))
 		addr = (unsigned long *)(task->thread.esp0 + regoff[regno]);
 	else
 		return 0;
@@ -93,7 +93,7 @@
 
 	if (regno == PT_USP)
 		addr = &task->thread.usp;
-	else if (regno < sizeof(regoff)/sizeof(regoff[0]))
+	else if (regno < ARRAY_SIZE(regoff))
 		addr = (unsigned long *)(task->thread.esp0 + regoff[regno]);
 	else
 		return -1;