commit: ed5302d3c25006a9edc7a7fbea97a30483f89ef7
From: Liu Yuan <[email protected]>
Date: Tue, 19 Apr 2011 13:47:58 +0200
Subject: [PATCH] block, blk-sysfs: Fix an err return path in
 blk_register_queue()

We do not call blk_trace_remove_sysfs() in err return path
if kobject_add() fails. This path fixes it.

Cc: [email protected]
Signed-off-by: Liu Yuan <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
---
 block/blk-sysfs.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 6d73512..5d696ad 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -508,8 +508,10 @@ int blk_register_queue(struct gendisk *disk)
                return ret;
 
        ret = kobject_add(&q->kobj, kobject_get(&dev->kobj), "%s", "queue");
-       if (ret < 0)
+       if (ret < 0) {
+               blk_trace_remove_sysfs(dev);
                return ret;
+       }
 
        kobject_uevent(&q->kobj, KOBJ_ADD);
 

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