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-rw-r--r--kernel/futex.c3
1 files changed, 2 insertions, 1 deletions
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 @@ static int futex_fd(unsigned long uaddr, int signal)
int ret, err;
ret = -EINVAL;
- if (signal < 0 || signal > _NSIG)
+ if (!valid_signal(signal))
goto out;
ret = get_unused_fd();
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