[PATCH AUTOSEL for 4.9 48/50] IB/rxe: Fix reference leaks in memory key invalidation code

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From: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>

[ Upstream commit ab17654476a11a1ed7d89f1104e2acdb7ed1c9ed ]

Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
Reviewed-by: Andrew Boyer <andrew.boyer@xxxxxxxx>
Cc: Moni Shoua <monis@xxxxxxxxxxxx>
Signed-off-by: Doug Ledford <dledford@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
---
 drivers/infiniband/sw/rxe/rxe_req.c  | 1 +
 drivers/infiniband/sw/rxe/rxe_resp.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
index 9f46be52335e..9d084780ac91 100644
--- a/drivers/infiniband/sw/rxe/rxe_req.c
+++ b/drivers/infiniband/sw/rxe/rxe_req.c
@@ -633,6 +633,7 @@ next_wqe:
 				goto exit;
 			}
 			rmr->state = RXE_MEM_STATE_FREE;
+			rxe_drop_ref(rmr);
 			wqe->state = wqe_state_done;
 			wqe->status = IB_WC_SUCCESS;
 		} else if (wqe->wr.opcode == IB_WR_REG_MR) {
diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index 69ed4e0d7a0d..7705820cdac6 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -893,6 +893,7 @@ static enum resp_states do_complete(struct rxe_qp *qp,
 					return RESPST_ERROR;
 				}
 				rmr->state = RXE_MEM_STATE_FREE;
+				rxe_drop_ref(rmr);
 			}
 
 			wc->qp			= &qp->ibqp;
-- 
2.11.0




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