From d737278091fccda77f6896012ba86c5ffb57993f Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@redhat.com>
Date: Thu, 12 Jun 2014 00:14:59 -0500
Subject: [PATCH] btrfs: free ulist in qgroup_shared_accounting() error path

If tmp = ulist_alloc(GFP_NOFS) fails, we return without
freeing the previously allocated qgroups = ulist_alloc(GFP_NOFS)
and cause a memory leak.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Chris Mason <clm@fb.com>
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