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-rw-r--r--iohandler.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/iohandler.c b/iohandler.c
index ae2ef8f966..cca614f087 100644
--- a/iohandler.c
+++ b/iohandler.c
@@ -191,6 +191,7 @@ static void qemu_init_child_watch(void)
     struct sigaction act;
     sigchld_bh = qemu_bh_new(sigchld_bh_handler, NULL);
 
+    memset(&act, 0, sizeof(act));
     act.sa_handler = sigchld_handler;
     act.sa_flags = SA_NOCLDSTOP;
     sigaction(SIGCHLD, &act, NULL);