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| author | Tejun Heo <tj@kernel.org> | 2013-01-09 08:05:10 -0800 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2013-01-09 08:05:10 -0800 |
| commit | 93e6d5d8f5c909479623c6ab4427f038c6c3f63f (patch) | |
| tree | a67f60f0b7582f0e85437455c40e071fb27607dd /block/blk-cgroup.c | |
| parent | 86cde6b62313dd221c2e5935db02de7234cb4164 (diff) | |
| download | lwn-93e6d5d8f5c909479623c6ab4427f038c6c3f63f.tar.gz lwn-93e6d5d8f5c909479623c6ab4427f038c6c3f63f.zip | |
blkcg: cosmetic updates to blkg_create()
* Rename out_* labels to err_*.
* Do ERR_PTR() conversion once in the error return path.
This patch is cosmetic and to prepare for the hierarchy support.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Diffstat (limited to 'block/blk-cgroup.c')
| -rw-r--r-- | block/blk-cgroup.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 201275467d8b..18ae48083f4a 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -187,16 +187,16 @@ static struct blkcg_gq *blkg_create(struct blkcg *blkcg, /* blkg holds a reference to blkcg */ if (!css_tryget(&blkcg->css)) { - blkg = ERR_PTR(-EINVAL); - goto out_free; + ret = -EINVAL; + goto err_free_blkg; } /* allocate */ if (!new_blkg) { new_blkg = blkg_alloc(blkcg, q, GFP_ATOMIC); if (unlikely(!new_blkg)) { - blkg = ERR_PTR(-ENOMEM); - goto out_put; + ret = -ENOMEM; + goto err_put_css; } } blkg = new_blkg; @@ -213,12 +213,11 @@ static struct blkcg_gq *blkg_create(struct blkcg *blkcg, if (!ret) return blkg; - blkg = ERR_PTR(ret); -out_put: +err_put_css: css_put(&blkcg->css); -out_free: +err_free_blkg: blkg_free(new_blkg); - return blkg; + return ERR_PTR(ret); } /** |