[PATCH AUTOSEL 4.19 056/106] xfs: clean up the error handling in xfs_swap_extents

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From: "Darrick J. Wong" <darrick.wong@xxxxxxxxxx>

[ Upstream commit 8bc3b5e4b70d28f8edcafc3c9e4de515998eea9e ]

Make sure we release resources properly if we cannot clean out the COW
extents in preparation for an extent swap.

Fixes: 96987eea537d6c ("xfs: cancel COW blocks before swapext")
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 fs/xfs/xfs_bmap_util.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index e638740f1681..3e1dd66bd676 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -1823,7 +1823,7 @@ xfs_swap_extents(
 	if (xfs_inode_has_cow_data(tip)) {
 		error = xfs_reflink_cancel_cow_range(tip, 0, NULLFILEOFF, true);
 		if (error)
-			return error;
+			goto out_unlock;
 	}
 
 	/*
-- 
2.25.1




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