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md-cluster: free md_cluster_info if node leave cluster

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[ Upstream commit 9c8043f337 ]

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>
This commit is contained in:
Guoqing Jiang
2017-02-24 11:15:12 +08:00
committed by Greg Kroah-Hartman
parent a1d72bc18e
commit 0d0456ec2b
1 changed files with 1 additions and 0 deletions
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drivers/md/md-cluster.c
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@@ -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;
}