Commit 2dda81ca authored by Li Zefan's avatar Li Zefan Committed by Linus Torvalds

memcgroup: return negative error code in mem_cgroup_create()

Cgroup requires the subsystem to return negative error code on error in the
create method.
Signed-off-by: default avatarLi Zefan <lizf@cn.fujitsu.com>
Acked-by: default avatarKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: default avatarBalbir Singh <balbir@in.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 7fde4c3e
...@@ -1100,7 +1100,7 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont) ...@@ -1100,7 +1100,7 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
mem = kzalloc(sizeof(struct mem_cgroup), GFP_KERNEL); mem = kzalloc(sizeof(struct mem_cgroup), GFP_KERNEL);
if (mem == NULL) if (mem == NULL)
return NULL; return ERR_PTR(-ENOMEM);
res_counter_init(&mem->res); res_counter_init(&mem->res);
...@@ -1116,7 +1116,7 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont) ...@@ -1116,7 +1116,7 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
free_mem_cgroup_per_zone_info(mem, node); free_mem_cgroup_per_zone_info(mem, node);
if (cont->parent != NULL) if (cont->parent != NULL)
kfree(mem); kfree(mem);
return NULL; return ERR_PTR(-ENOMEM);
} }
static void mem_cgroup_pre_destroy(struct cgroup_subsys *ss, static void mem_cgroup_pre_destroy(struct cgroup_subsys *ss,
......
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