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Subject[PATCH 3.19.y-ckt 026/210] dm space map metadata: remove unused variable in brb_pop()
Date
3.19.8-ckt14 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Mike Snitzer <snitzer@redhat.com>

commit 512167788a6fe9481a33a3cce5f80b684631a1bb upstream.

Remove the unused struct block_op pointer that was inadvertantly
introduced, via cut-and-paste of previous brb_op() code, as part of
commit 50dd842ad.

(Cc'ing stable@ because commit 50dd842ad did)

Fixes: 50dd842ad ("dm space map metadata: fix ref counting bug when bootstrapping a new space map")
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
drivers/md/persistent-data/dm-space-map-metadata.c | 3 ---
1 file changed, 3 deletions(-)

diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c
index fca6dbc..7e44005 100644
--- a/drivers/md/persistent-data/dm-space-map-metadata.c
+++ b/drivers/md/persistent-data/dm-space-map-metadata.c
@@ -152,12 +152,9 @@ static int brb_peek(struct bop_ring_buffer *brb, struct block_op *result)

static int brb_pop(struct bop_ring_buffer *brb)
{
- struct block_op *bop;
-
if (brb_empty(brb))
return -ENODATA;

- bop = brb->bops + brb->begin;
brb->begin = brb_next(brb, brb->begin);

return 0;
--
1.9.1
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