linux-kernel - [PATCH v2 02/11] skd: fix error paths in skd

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Date:	Tue, 05 Nov 2013 12:37:00 +0100
From:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:	axboe@...nel.dk
Cc:	abhansali@...c-inc.com, jmoyer@...hat.com,
	kyungmin.park@...sung.com, linux-kernel@...r.kernel.org,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: [PATCH v2 02/11] skd: fix error paths in skd_init()

Cc: Akhil Bhansali <abhansali@...c-inc.com>
Cc: Jeff Moyer <jmoyer@...hat.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
---
 drivers/block/skd_main.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c
index 6f09bca..8c96d18 100644
--- a/drivers/block/skd_main.c
+++ b/drivers/block/skd_main.c
@@ -5396,7 +5396,7 @@ static void skd_log_skreq(struct skd_device *skdev,
 
 static int __init skd_init(void)
 {
-	int rc = 0;
+	int rc = -ENOMEM;
 
 	pr_info(PFX " v%s-b%s loaded\n", DRV_VERSION, DRV_BUILD_ID);
 
@@ -5454,11 +5454,21 @@ static int __init skd_init(void)
 	/* Obtain major device number. */
 	rc = register_blkdev(0, DRV_NAME);
 	if (rc < 0)
-		return rc;
+		goto err_register_blkdev;
 
 	skd_major = rc;
 
-	return pci_register_driver(&skd_driver);
+	rc = pci_register_driver(&skd_driver);
+	if (rc < 0)
+		goto err_pci_register_driver;
+
+	return rc;
+
+err_pci_register_driver:
+	unregister_blkdev(skd_major, DRV_NAME);
+
+err_register_blkdev:
+	return rc;
 }
 
 static void __exit skd_exit(void)
-- 
1.8.2.3

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