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>
---
 drivers/char/vt_ioctl.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'drivers')

diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index 5d386f4bea4..8971484b956 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -24,6 +24,7 @@
 #include <linux/major.h>
 #include <linux/fs.h>
 #include <linux/console.h>
+#include <linux/signal.h>
 
 #include <asm/io.h>
 #include <asm/uaccess.h>
@@ -641,7 +642,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
 		extern int spawnpid, spawnsig;
 		if (!perm || !capable(CAP_KILL))
 		  return -EPERM;
-		if (arg < 1 || arg > _NSIG || arg == SIGKILL)
+		if (!valid_signal(arg) || arg < 1 || arg == SIGKILL)
 		  return -EINVAL;
 		spawnpid = current->pid;
 		spawnsig = arg;
-- 
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