when percpu_counter_init fail at i, 0 ~ (i-1) should be destoried, not 1 ~ i. Signed-off-by: weiping zhang <zhangweiping@xxxxxxxxxxxxxxx> --- mm/backing-dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/backing-dev.c b/mm/backing-dev.c index e19606b..d399d3c 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -334,7 +334,7 @@ static int wb_init(struct bdi_writeback *wb, struct backing_dev_info *bdi, return 0; out_destroy_stat: - while (i--) + while (--i >= 0) percpu_counter_destroy(&wb->stat[i]); fprop_local_destroy_percpu(&wb->completions); out_put_cong: -- 2.9.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>