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* [PATCHv3 1/1] RDMA/rxe: Fix qp error handler
@ 2022-07-26  4:56 yanjun.zhu
  2022-07-27  9:16 ` Leon Romanovsky
  2022-07-28 16:38 ` Jason Gunthorpe
  0 siblings, 2 replies; 6+ messages in thread
From: yanjun.zhu @ 2022-07-26  4:56 UTC (permalink / raw)
  To: jgg, leon, linux-rdma, yanjun.zhu; +Cc: syzbot+833061116fa28df97f3b

From: Zhu Yanjun <yanjun.zhu@linux.dev>

About 7 spin locks in qp creation needs to be initialized. Now these
spin locks are initialized in the function rxe_qp_init_misc. This
will avoid the error "initialize spin locks before use".

Reported-by: syzbot+833061116fa28df97f3b@syzkaller.appspotmail.com
Signed-off-by: Zhu Yanjun <yanjun.zhu@linux.dev>
---
V2->V3: Keep the spin_lock_init in rxe_init_task for future use.
---
 drivers/infiniband/sw/rxe/rxe_qp.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c
index 22e9b85344c3..ae8c51ef2db6 100644
--- a/drivers/infiniband/sw/rxe/rxe_qp.c
+++ b/drivers/infiniband/sw/rxe/rxe_qp.c
@@ -174,6 +174,14 @@ static void rxe_qp_init_misc(struct rxe_dev *rxe, struct rxe_qp *qp,
 
 	spin_lock_init(&qp->state_lock);
 
+	spin_lock_init(&qp->req.task.state_lock);
+	spin_lock_init(&qp->resp.task.state_lock);
+	spin_lock_init(&qp->comp.task.state_lock);
+
+	spin_lock_init(&qp->sq.sq_lock);
+	spin_lock_init(&qp->rq.producer_lock);
+	spin_lock_init(&qp->rq.consumer_lock);
+
 	atomic_set(&qp->ssn, 0);
 	atomic_set(&qp->skb_out, 0);
 }
@@ -233,7 +241,6 @@ static int rxe_qp_init_req(struct rxe_dev *rxe, struct rxe_qp *qp,
 	qp->req.opcode		= -1;
 	qp->comp.opcode		= -1;
 
-	spin_lock_init(&qp->sq.sq_lock);
 	skb_queue_head_init(&qp->req_pkts);
 
 	rxe_init_task(rxe, &qp->req.task, qp,
@@ -284,9 +291,6 @@ static int rxe_qp_init_resp(struct rxe_dev *rxe, struct rxe_qp *qp,
 		}
 	}
 
-	spin_lock_init(&qp->rq.producer_lock);
-	spin_lock_init(&qp->rq.consumer_lock);
-
 	skb_queue_head_init(&qp->resp_pkts);
 
 	rxe_init_task(rxe, &qp->resp.task, qp,
-- 
2.34.1


^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2022-07-30 14:02 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-07-26  4:56 [PATCHv3 1/1] RDMA/rxe: Fix qp error handler yanjun.zhu
2022-07-27  9:16 ` Leon Romanovsky
2022-07-27 12:38   ` Yanjun Zhu
2022-07-28 16:38 ` Jason Gunthorpe
2022-07-30 13:14   ` Yanjun Zhu
2022-07-30 14:01   ` Yanjun Zhu

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