diff options
author | Zhilong Liu <zlliu@suse.com> | 2017-04-10 14:15:55 +0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-22 09:17:50 +0100 |
commit | 1f8fe98e0e096728a47bda7bf9a632b3e89970b5 (patch) | |
tree | 6204ebbb144743bff3ba05b9ada166d73eb2605e | |
parent | b42b97a5657f49c51f523f691e8a867708a38b80 (diff) |
md.c:didn't unlock the mddev before return EINVAL in array_size_store
[ Upstream commit b670883bb9e55ba63a278d83e034faefc01ce2cf ]
md.c: it needs to release the mddev lock before
the array_size_store() returns.
Fixes: ab5a98b132fd ("md-cluster: change array_sectors and update size are not supported")
Signed-off-by: Zhilong Liu <zlliu@suse.com>
Reviewed-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/md/md.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 27d8bb21e04f..a7bc70334f0e 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -4826,8 +4826,10 @@ 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) |