This is a note to let you know that I've just added the patch titled md: unlock mddev_lock on an error path. to the 4.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: md-unlock-mddev_lock-on-an-error-path.patch and it can be found in the queue-4.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 9a8c0fa861e4db60409b4dda254cef5e17e4d43c Mon Sep 17 00:00:00 2001 From: NeilBrown <neilb@xxxxxxx> Date: Thu, 25 Jun 2015 17:06:40 +1000 Subject: md: unlock mddev_lock on an error path. From: NeilBrown <neilb@xxxxxxx> 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 <neilb@xxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/md/md.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -4005,8 +4005,10 @@ new_dev_store(struct mddev *mddev, const 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) Patches currently in stable-queue which might be from neilb@xxxxxxx are queue-4.1/md-clear-mddev-private-when-it-has-been-freed.patch queue-4.1/md-fix-a-build-warning.patch queue-4.1/md-unlock-mddev_lock-on-an-error-path.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html