From edd63a2763bdae0daa4f0a4d4c5d61d1154352a5 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 27 Apr 2012 13:42:45 -0400
Subject: set_restore_sigmask() is never called without SIGPENDING (and never
 should be)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 include/linux/thread_info.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'include/linux')

diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h
index ed279701ac79..ccc1899bd62e 100644
--- a/include/linux/thread_info.h
+++ b/include/linux/thread_info.h
@@ -8,6 +8,7 @@
 #define _LINUX_THREAD_INFO_H
 
 #include <linux/types.h>
+#include <linux/bug.h>
 
 struct timespec;
 struct compat_timespec;
@@ -125,7 +126,7 @@ static inline int test_ti_thread_flag(struct thread_info *ti, int flag)
 static inline void set_restore_sigmask(void)
 {
 	set_thread_flag(TIF_RESTORE_SIGMASK);
-	set_thread_flag(TIF_SIGPENDING);
+	WARN_ON(!test_thread_flag(TIF_SIGPENDING));
 }
 static inline void clear_restore_sigmask(void)
 {
-- 
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