fix more resource leaks

sapi/fpm/fpm/fpm_sockets.c

@@ -167,7 +167,7 @@ static int fpm_sockets_new_listening_socket(struct fpm_worker_pool_s *wp, struct
 {
 	int flags = 1;
 	int sock;
-	mode_t saved_umask;
+	mode_t saved_umask = 0;
 
 	sock = socket(sa->sa_family, SOCK_STREAM, 0);
 
@@ -181,6 +181,7 @@ static int fpm_sockets_new_listening_socket(struct fpm_worker_pool_s *wp, struct
 	if (wp->listen_address_domain == FPM_AF_UNIX) {
 		if (fpm_socket_unix_test_connect((struct sockaddr_un *)sa, socklen) == 0) {
 			zlog(ZLOG_ERROR, "An another FPM instance seems to already listen on %s", ((struct sockaddr_un *) sa)->sun_path);
+			close(sock);
 			return -1;
 		}
 		unlink( ((struct sockaddr_un *) sa)->sun_path);
@@ -192,6 +193,7 @@ static int fpm_sockets_new_listening_socket(struct fpm_worker_pool_s *wp, struct
 		if (wp->listen_address_domain == FPM_AF_UNIX) {
 			umask(saved_umask);
 		}
+		close(sock);
 		return -1;
 	}
 
@@ -203,6 +205,7 @@ static int fpm_sockets_new_listening_socket(struct fpm_worker_pool_s *wp, struct
 		if (wp->socket_uid != -1 || wp->socket_gid != -1) {
 			if (0 > chown(path, wp->socket_uid, wp->socket_gid)) {
 				zlog(ZLOG_SYSERROR, "failed to chown() the socket '%s'", wp->config->listen_address);
+				close(sock);
 				return -1;
 			}
 		}
@@ -210,6 +213,7 @@ static int fpm_sockets_new_listening_socket(struct fpm_worker_pool_s *wp, struct
 
 	if (0 > listen(sock, wp->config->listen_backlog)) {
 		zlog(ZLOG_SYSERROR, "failed to listen to address '%s'", wp->config->listen_address);
+		close(sock);
 		return -1;
 	}
 

sapi/fpm/fpm/fpm_stdio.c

@@ -34,6 +34,7 @@ int fpm_stdio_init_main() /* {{{ */
 
 	if (0 > dup2(fd, STDIN_FILENO) || 0 > dup2(fd, STDOUT_FILENO)) {
 		zlog(ZLOG_SYSERROR, "failed to init stdio: dup2()");
+		close(fd);
 		return -1;
 	}
 	close(fd);