1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/signal.h b/include/linux/signal.h
index cc7e2c1cd444..9702016734b1 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -392,7 +392,7 @@ extern bool unhandled_signal(struct task_struct *tsk, int sig);
 #endif
 
 #define siginmask(sig, mask) \
-        ((sig) < SIGRTMIN && (rt_sigmask(sig) & (mask)))
+        ((sig) > 0 && (sig) < SIGRTMIN && (rt_sigmask(sig) & (mask)))
 
 #define SIG_KERNEL_ONLY_MASK (\
         rt_sigmask(SIGKILL)   |  rt_sigmask(SIGSTOP))