Commit e7bbcdf3 authored Mar 23, 2010 by Dan Carpenter Committed by Linus Torvalds Mar 24, 2010

memcontrol: fix potential null deref



There was a potential null deref introduced in c62b1a3b ("memcg: use
generic percpu instead of private implementation").

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 9d34706f

mm/memcontrol.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -3691,7 +3691,9 @@ static struct mem_cgroup *mem_cgroup_alloc(void)
		else
		mem = vmalloc(size);

		if (mem)
		if (!mem)
		return NULL;

		memset(mem, 0, size);
		mem->stat = alloc_percpu(struct mem_cgroup_stat_cpu);
		if (!mem->stat) {