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Subject[PATCH 4.9 46/87] IB/rxe: Fix reference leaks in memory key invalidation code
Date
4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Bart Van Assche <bart.vanassche@sandisk.com>


[ Upstream commit ab17654476a11a1ed7d89f1104e2acdb7ed1c9ed ]

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Andrew Boyer <andrew.boyer@dell.com>
Cc: Moni Shoua <monis@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/infiniband/sw/rxe/rxe_req.c | 1 +
drivers/infiniband/sw/rxe/rxe_resp.c | 1 +
2 files changed, 2 insertions(+)

--- 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) {
--- 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(stru
return RESPST_ERROR;
}
rmr->state = RXE_MEM_STATE_FREE;
+ rxe_drop_ref(rmr);
}

wc->qp = &qp->ibqp;

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