From 7ed20e1ad521b5f5df61bf6559ae60738e393741 Mon Sep 17 00:00:00 2001
From: Jesper Juhl <juhl-lkml@dif.dk>
Date: Sun, 1 May 2005 08:59:14 -0700
Subject: [PATCH] convert that currently tests _NSIG directly to use
 valid_signal()

Convert most of the current code that uses _NSIG directly to instead use
valid_signal().  This avoids gcc -W warnings and off-by-one errors.

Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 kernel/sys.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'kernel/sys.c')

diff --git a/kernel/sys.c b/kernel/sys.c
index 7f43d6e62c7a..f64e97cabe25 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -25,6 +25,7 @@
 #include <linux/dcookies.h>
 #include <linux/suspend.h>
 #include <linux/tty.h>
+#include <linux/signal.h>
 
 #include <linux/compat.h>
 #include <linux/syscalls.h>
@@ -1637,7 +1638,7 @@ asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3,
 	switch (option) {
 		case PR_SET_PDEATHSIG:
 			sig = arg2;
-			if (sig < 0 || sig > _NSIG) {
+			if (!valid_signal(sig)) {
 				error = -EINVAL;
 				break;
 			}
-- 
cgit v1.2.3-59-g8ed1b