compat: fix vsyslog to rely on the result of vasprintf

diff --git a/src/compat/vsyslog.c b/src/compat/vsyslog.c
index 8c0f8f2d08294630d4b8d371d31ff17f8d2df295..be59210a1860aa9b0f9bcdfcc4b18dab49a201a9 100644 (file)
--- a/src/compat/vsyslog.c
+++ b/src/compat/vsyslog.c
@@ -8,8 +8,9 @@
 void
 vsyslog(int facility, const char *format, va_list ap) {
        char *msg = NULL;
-       vasprintf(&msg, format, ap);
-       if (!msg) return;
+       if (vasprintf(&msg, format, ap) == -1) {
+               return;
+       }
        syslog(facility, "%s", msg);
        free(msg);
 }