From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zhilong Liu Subject: [PATCH] md.c:didn't unlock the mddev before return EINVAL in array_size_store Date: Mon, 10 Apr 2017 14:15:55 +0800 Message-ID: <1491804955-7548-1-git-send-email-zlliu@suse.com> Return-path: Sender: linux-raid-owner@vger.kernel.org To: shli@fb.com Cc: linux-raid@vger.kernel.org, Zhilong Liu List-Id: linux-raid.ids md.c: it needs to release the mddev lock before the array_size_store() returns. Signed-off-by: Zhilong Liu --- drivers/md/md.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index f6ae1d6..5327236 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -4843,8 +4843,10 @@ array_size_store(struct mddev *mddev, const char *buf, size_t len) return err; /* cluster raid doesn't support change array_sectors */ - if (mddev_is_clustered(mddev)) + if (mddev_is_clustered(mddev)) { + mddev_unlock(mddev); return -EINVAL; + } if (strncmp(buf, "default", 7) == 0) { if (mddev->pers) -- 2.6.6