The ret is being used but it isn't being initialized, need to assign a value to it, like 0. Signed-off-by: YANG LI <abaci-bugfix@xxxxxxxxxxxxxxxxx> Reported-by: Abaci <abaci@xxxxxxxxxxxxxxxxx> --- mm/memcontrol.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 605f671..15ba17d 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3366,7 +3366,7 @@ static int mem_cgroup_resize_max(struct mem_cgroup *memcg, { bool enlarge = false; bool drained = false; - int ret; + int ret = 0; bool limits_invariant; struct page_counter *counter = memsw ? &memcg->memsw : &memcg->memory; -- 1.8.3.1