Patch "md-cluster: free md_cluster_info if node leave cluster" has been added to the 4.4-stable tree

Patch "md-cluster: free md_cluster_info if node leave cluster" has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    md-cluster: free md_cluster_info if node leave cluster

to the 4.4-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-cluster-free-md_cluster_info-if-node-leave-cluster.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Mon Dec 18 14:47:43 CET 2017
From: Guoqing Jiang <gqjiang@suse.com>
Date: Fri, 24 Feb 2017 11:15:12 +0800
Subject: md-cluster: free md_cluster_info if node leave cluster

From: Guoqing Jiang <gqjiang@suse.com>


[ Upstream commit 9c8043f337f14d1743006dfc59c03e80a42e3884 ]

To avoid memory leak, we need to free the cinfo which
is allocated when node join cluster.

Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/md/md-cluster.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -821,6 +821,7 @@ static int leave(struct mddev *mddev)
 	lockres_free(cinfo->no_new_dev_lockres);
 	lockres_free(cinfo->bitmap_lockres);
 	dlm_release_lockspace(cinfo->lockspace, 2);
+	kfree(cinfo);
 	return 0;
 }
 


Patches currently in stable-queue which might be from gqjiang@suse.com are

queue-4.4/md-cluster-free-md_cluster_info-if-node-leave-cluster.patch