From: Libo Chen <clbchenlibo.chen@huawei.com>
Date: Wed, 19 Jun 2013 00:05:43 +0000 (+1000)
Subject: drivers/cdrom/gdrom.c: fix device number leak
X-Git-Tag: next-20130619~2^2~586
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=e693df9f20e4bff98494b409616af28e6eb50625;p=karo-tx-linux.git

drivers/cdrom/gdrom.c: fix device number leak

Without this patch, gdrom_major will leak when gd.cd_info alloc fails.

Signed-off-by: Libo Chen <libo.chen@huawei.com>
Cc: Jens Axboe <axboe@kernel.dk>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index 4afcb65cc623..5980cb9af857 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -830,9 +830,9 @@ probe_fail_cdrom_register:
 	del_gendisk(gd.disk);
 probe_fail_no_disk:
 	kfree(gd.cd_info);
+probe_fail_no_mem:
 	unregister_blkdev(gdrom_major, GDROM_DEV_NAME);
 	gdrom_major = 0;
-probe_fail_no_mem:
 	pr_warning("Probe failed - error is 0x%X\n", err);
 	return err;
 }