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RDMA/rtrs-srv: Init wr_cnt as 1

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[ Upstream commit 6f5d1b3016 ]

Fix up wr_avail accounting. if wr_cnt is 0, then we do SIGNAL for first
wr, in completion we add queue_depth back, which is not right in the
sense of tracking for available wr.

So fix it by init wr_cnt to 1.

Fixes: 9cb8374804 ("RDMA/rtrs: server: main functionality")
Link: https://lore.kernel.org/r/20201217141915.56989-19-jinpu.wang@cloud.ionos.com
Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Gioh Kim <gi-oh.kim@cloud.ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jack Wang 2020-12-17 15:19:14 +01:00 committed by Greg Kroah-Hartman
parent cb6d98b306
commit e724c819ed
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/ulp/rtrs/rtrs-srv.c
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@ -1620,7 +1620,7 @@ static int create_con(struct rtrs_srv_sess *sess,
con->c.cm_id = cm_id;
con->c.sess = &sess->s;
con->c.cid = cid;
atomic_set(&con->wr_cnt, 0);
atomic_set(&con->wr_cnt, 1);
if (con->c.cid == 0) {
/*