mdadm: signal_s() init variables

Init sigaction structs in signal_s().
This approach might throw warnings for GCC 4.x and lower.

Signed-off-by: Mateusz Kusiak <mateusz.kusiak@intel.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/mdadm.h b/mdadm.h
index 1f28b3e7..75c887e4 100644
--- a/mdadm.h
+++ b/mdadm.h
@@ -1856,11 +1856,10 @@ static inline char *to_subarray(struct mdstat_ent *ent, char *container)
  */
 static inline sighandler_t signal_s(int sig, sighandler_t handler)
 {
-	struct sigaction new_act;
-	struct sigaction old_act;
+	struct sigaction new_act = {0};
+	struct sigaction old_act = {0};
 
 	new_act.sa_handler = handler;
-	new_act.sa_flags = 0;
 
 	if (sigaction(sig, &new_act, &old_act) == 0)
 		return old_act.sa_handler;