[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>
diff --git a/kernel/futex.c b/kernel/futex.c
index 7b54a67..c7130f8 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -39,6 +39,7 @@
#include <linux/mount.h>
#include <linux/pagemap.h>
#include <linux/syscalls.h>
+#include <linux/signal.h>
#define FUTEX_HASHBITS (CONFIG_BASE_SMALL ? 4 : 8)
@@ -654,7 +655,7 @@
int ret, err;
ret = -EINVAL;
- if (signal < 0 || signal > _NSIG)
+ if (!valid_signal(signal))
goto out;
ret = get_unused_fd();
