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authorLiu Yuan <tailai.ly@taobao.com>2011-04-19 13:47:58 +0200
committerPaul Gortmaker <paul.gortmaker@windriver.com>2012-03-14 10:57:21 -0400
commit310ec26b8fe2e5e7b43e5a1630b05c7fb3ffb35d (patch)
treec814c3801547184bbf4531d4106889615ae0ec21 /block
parente5dccef0012558e89025dadbf9d902270e03aaa5 (diff)
block, blk-sysfs: Fix an err return path in blk_register_queue()
commit ed5302d3c25006a9edc7a7fbea97a30483f89ef7 upstream. We do not call blk_trace_remove_sysfs() in err return path if kobject_add() fails. This path fixes it. Signed-off-by: Liu Yuan <tailai.ly@taobao.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Diffstat (limited to 'block')
-rw-r--r--block/blk-sysfs.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index d2466540488c..3eede79ad352 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -502,8 +502,10 @@ 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);