dump: avoid extra jumps dump_one_task

It looks better and the next patches adds more checks
before memory allocations.
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

cr-dump.c

@@ -1338,15 +1338,15 @@ static int dump_one_task(struct pstree_item *item)
 	pr_info("Dumping task (pid: %d)\n", pid);
 	pr_info("========================================\n");
 
-	dfds = xmalloc(sizeof(*dfds));
-	if (!dfds)
-		goto err_free;
-
 	if (item->state == TASK_STOPPED) {
 		pr_err("Stopped tasks are not supported\n");
-		goto err_free;
+		return -1;
 	}
 
+	dfds = xmalloc(sizeof(*dfds));
+	if (!dfds)
+		goto err_free;
+
 	pr_info("Obtainting task stat ... ");
 	ret = parse_pid_stat(pid, &pps_buf);
 	if (ret < 0)