[PATCH 1/2] pNFS/flexfiles: Fix ff_layout_add_ds_error_locked()

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When we're merging an old entry into our new entry, we want to ensure that
we add the list entry in the correct place.

Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
 fs/nfs/flexfilelayout/flexfilelayoutdev.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
index eb98395c3651..142bfd0b1663 100644
--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -254,8 +254,9 @@ ff_layout_add_ds_error_locked(struct nfs4_flexfile_layout *flo,
 		}
 		/* Entries match, so merge "err" into "dserr" */
 		extend_ds_error(dserr, err->offset, err->length);
-		list_del(&err->list);
+		list_replace(&err->list, &dserr->list);
 		kfree(err);
+		return;
 	}
 
 	list_add_tail(&dserr->list, head);
-- 
2.9.3

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