1 files changed, 1 insertions, 1 deletions

diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h
index a109157c6b8f..bc13b57cdc83 100644
--- a/arch/sh/include/asm/thread_info.h
+++ b/arch/sh/include/asm/thread_info.h
@@ -169,7 +169,7 @@ static inline void set_restore_sigmask(void)
 {
         struct thread_info *ti = current_thread_info();
         ti->status |= TS_RESTORE_SIGMASK;
-        set_bit(TIF_SIGPENDING, (unsigned long *)&ti->flags);
+        WARN_ON(!test_bit(TIF_SIGPENDING, (unsigned long *)&ti->flags));
 }
 
 #define TI_FLAG_FAULT_CODE_SHIFT        24