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md-cluster: free md_cluster_info if node leave cluster 

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>
This commit is contained in:
Guoqing Jiang 2017-02-24 11:15:12 +08:00 committed by Shaohua Li
parent 99b3d74ec0
commit 9c8043f337
1 changed files with 1 additions and 0 deletions
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drivers/md/md-cluster.c
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@ -974,6 +974,7 @@ static int leave(struct mddev *mddev)
lockres_free(cinfo->bitmap_lockres);
unlock_all_bitmaps(mddev);
dlm_release_lockspace(cinfo->lockspace, 2);
kfree(cinfo);
return 0;
}