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memcgroup: return negative error code in mem_cgroup_create()

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Cgroup requires the subsystem to return negative error code on error in the
create method.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Balbir Singh <balbir@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Li Zefan 2008-02-23 15:24:14 -08:00 committed by Linus Torvalds
parent 7fde4c3eb7
commit 2dda81ca31
1 changed files with 2 additions and 2 deletions
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4
mm/memcontrol.c
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@ -1100,7 +1100,7 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
mem = kzalloc(sizeof(struct mem_cgroup), GFP_KERNEL);
if (mem == NULL)
return NULL;
return ERR_PTR(-ENOMEM);
res_counter_init(&mem->res);
@ -1116,7 +1116,7 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
free_mem_cgroup_per_zone_info(mem, node);
if (cont->parent != NULL)
kfree(mem);
return NULL;
return ERR_PTR(-ENOMEM);
}
static void mem_cgroup_pre_destroy(struct cgroup_subsys *ss,