linux-kernel - [PATCH 28/47] block-rbd: Refactor a jump target in rbd_img_obj_exists

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Date:   Mon, 12 Sep 2016 21:14:05 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     ceph-devel@...r.kernel.org, Alex Elder <elder@...nel.org>,
        Ilya Dryomov <idryomov@...il.com>, Sage Weil <sage@...hat.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Julia Lawall <julia.lawall@...6.fr>
Subject: [PATCH 28/47] block-rbd: Refactor a jump target in
 rbd_img_obj_exists_submit()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Mon, 12 Sep 2016 19:44:30 +0200

Adjust a jump target so that a duplicate check can then be avoided
at the end.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/block/rbd.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 17bdc21..66801ec 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -2920,7 +2920,7 @@ static int rbd_img_obj_exists_submit(struct rbd_obj_request *obj_request)
 	stat_request = rbd_obj_request_create(obj_request->object_name, 0, 0,
 							OBJ_REQUEST_PAGES);
 	if (!stat_request)
-		goto out;
+		goto put_request;
 
 	rbd_obj_request_get(obj_request);
 	stat_request->obj_request = obj_request;
@@ -2932,7 +2932,7 @@ static int rbd_img_obj_exists_submit(struct rbd_obj_request *obj_request)
 	stat_request->osd_req = rbd_osd_req_create(rbd_dev, OBJ_OP_READ, 1,
 						   stat_request);
 	if (!stat_request->osd_req)
-		goto out;
+		goto put_request;
 	stat_request->callback = rbd_img_obj_exists_callback;
 
 	osd_req_op_init(stat_request->osd_req, 0, CEPH_OSD_OP_STAT, 0);
@@ -2942,8 +2942,8 @@ static int rbd_img_obj_exists_submit(struct rbd_obj_request *obj_request)
 
 	osdc = &rbd_dev->rbd_client->client->osdc;
 	ret = rbd_obj_request_submit(osdc, stat_request);
-out:
 	if (ret)
+ put_request:
 		rbd_obj_request_put(obj_request);
 
 	return ret;
-- 
2.10.0