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From: "Javier González" <jg@lightnvm.io>
To: mb@lightnvm.io
Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
	"Javier González" <javier@cnexlabs.com>
Subject: [PATCH 2/4] lightnvm: fix cleanup order of disk on init error
Date: Fri,  7 Apr 2017 20:31:12 +0200	[thread overview]
Message-ID: <1491589874-26818-2-git-send-email-javier@cnexlabs.com> (raw)
In-Reply-To: <1491589874-26818-1-git-send-email-javier@cnexlabs.com>

Reorder disk allocation such that the disk structure can be put
safely.

Signed-off-by: Javier González <javier@cnexlabs.com>
---
 drivers/lightnvm/core.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index da4c082..28e69a7 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -263,15 +263,15 @@ static int nvm_create_tgt(struct nvm_dev *dev, struct nvm_ioctl_create *create)
 		goto err_t;
 	}
 
+	tdisk = alloc_disk(0);
+	if (!tdisk)
+		goto err_dev;
+
 	tqueue = blk_alloc_queue_node(GFP_KERNEL, dev->q->node);
 	if (!tqueue)
-		goto err_dev;
+		goto err_disk;
 	blk_queue_make_request(tqueue, tt->make_rq);
 
-	tdisk = alloc_disk(0);
-	if (!tdisk)
-		goto err_queue;
-
 	sprintf(tdisk->disk_name, "%s", create->tgtname);
 	tdisk->flags = GENHD_FL_EXT_DEVT;
 	tdisk->major = 0;
@@ -307,9 +307,9 @@ static int nvm_create_tgt(struct nvm_dev *dev, struct nvm_ioctl_create *create)
 	if (tt->exit)
 		tt->exit(targetdata);
 err_init:
-	put_disk(tdisk);
-err_queue:
 	blk_cleanup_queue(tqueue);
+err_disk:
+	put_disk(tdisk);
 err_dev:
 	nvm_remove_tgt_dev(tgt_dev, 0);
 err_t:
-- 
2.7.4

  reply	other threads:[~2017-04-07 18:31 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-07 18:31 [PATCH 1/4] lightnvm: double-clear of dev->lun_map on target init error Javier González
2017-04-07 18:31 ` Javier González [this message]
2017-04-11 10:41   ` [PATCH 2/4] lightnvm: fix cleanup order of disk on " Matias Bjørling
2017-04-07 18:31 ` [PATCH 3/4] lightnvm: bad type conversion for nvme control bits Javier González
2017-04-11 10:41   ` Matias Bjørling
2017-04-07 18:31 ` [PATCH 4/4] lightnvm: allow to init targets on factory mode Javier González
2017-04-11 10:41   ` Matias Bjørling
2017-04-11 10:41 ` [PATCH 1/4] lightnvm: double-clear of dev->lun_map on target init error Matias Bjørling

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