master: Add missing error logging for master socket listening failure.

diff --git a/src/master/service-listen.c b/src/master/service-listen.c
index 8bee7f5191289914d9acc04ad7ed12b00e6f0441..dad0f506cae777da41cb003883ae66a318d44cbc 100644 (file)
--- a/src/master/service-listen.c
+++ b/src/master/service-listen.c
@@ -349,8 +349,10 @@ static int services_listen_master(struct service_list *service_list)
        }
        umask(old_umask);
 
-       if (service_list->master_fd == -1)
+       if (service_list->master_fd == -1) {
+               i_error("net_listen_unix(%s) failed: %m", path);
                return 0;
+       }
        fd_close_on_exec(service_list->master_fd, TRUE);
        return 1;
 }