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>
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 2012754..18ae480 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -187,16 +187,16 @@
/* 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 @@
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);
}
/**
