From 0f9457afe159aee56f80b20fff27a6af60f2b7a1 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Thu, 25 Jun 2015 17:06:40 +1000 Subject: md: unlock mddev_lock on an error path. commit 9a8c0fa861e4db60409b4dda254cef5e17e4d43c upstream. This error path retuns while still holding the lock - bad. Fixes: 6791875e2e53 ("md: make reconfig_mutex optional for writes to md sysfs files.") Signed-off-by: NeilBrown Signed-off-by: Greg Kroah-Hartman --- drivers/md/md.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/md') diff --git a/drivers/md/md.c b/drivers/md/md.c index 5b7c914908cd..fbe6ac1eea5a 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -4005,8 +4005,10 @@ new_dev_store(struct mddev *mddev, const char *buf, size_t len) else rdev = md_import_device(dev, -1, -1); - if (IS_ERR(rdev)) + if (IS_ERR(rdev)) { + mddev_unlock(mddev); return PTR_ERR(rdev); + } err = bind_rdev_to_array(rdev, mddev); out: if (err) -- cgit v1.2.3