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authorLi Zefan2008-02-23 15:24:14 -0800
committerLinus Torvalds2008-02-23 17:13:25 -0800
commit2dda81ca31dc73e695ff8b83351f7aaefbef192a (patch)
tree808c6dd9c79f6f62851eb4108c4d7104decc7e9c /mm
parent7fde4c3eb7ee68828d76a2148ed6d70b6a794add (diff)
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: 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>
Diffstat (limited to 'mm')
-rw-r--r--mm/memcontrol.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index bb4d7acfbca3..631002d085d1 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -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 @@ free_out:
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,