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@xxxxxxxxxx>
---
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index cf5aead..98cb6b2 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -1798,8 +1798,10 @@ static int qgroup_shared_accounting(struct btrfs_trans_handle *trans,
return -ENOMEM;
tmp = ulist_alloc(GFP_NOFS);
- if (!tmp)
+ if (!tmp) {
+ ulist_free(qgroups);
return -ENOMEM;
+ }
btrfs_get_tree_mod_seq(fs_info, &elem);
ret = btrfs_find_all_roots(trans, fs_info, oper->bytenr, elem.seq,
--
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