Eric Sandeen
2014-Jun-12 05:53 UTC
[PATCH] btrfs: fix error handling in create_pending_snapshot
fcebe456 cut and pasted some code to a later point
in create_pending_snapshot(), but didn't switch
to the appropriate error handling for this stage
of the function.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
---
I think this is right. Josef, please double check me :)
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 9630f10..511839c 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1284,11 +1284,13 @@ static noinline int create_pending_snapshot(struct
btrfs_trans_handle *trans,
goto fail;
}
- pending->error = btrfs_qgroup_inherit(trans, fs_info,
- root->root_key.objectid,
- objectid, pending->inherit);
- if (pending->error)
- goto no_free_objectid;
+ ret = btrfs_qgroup_inherit(trans, fs_info,
+ root->root_key.objectid,
+ objectid, pending->inherit);
+ if (ret) {
+ btrfs_abort_transaction(trans, root, ret);
+ goto fail;
+ }
/* see comments in should_cow_block() */
set_bit(BTRFS_ROOT_FORCE_COW, &root->state);
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