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[PATCH 4.9 55/60] IB/rxe: Fix resid update

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  [PATCH 4.9 55/60] IB/rxe: Fix resid update Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-02-13 14:20 +0100

#1579722 — [PATCH 4.9 55/60] IB/rxe: Fix resid update

4.9-stable review patch.  If anyone has any objections, please let me know.

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

From: Eyal Itkin <eyal.itkin@gmail.com>

commit 628f07d33c1f2e7bf31e0a4a988bb07914bd5e73 upstream.

Update the response's resid field when larger than MTU, instead of only
updating the local resid variable.

Fixes: 8700e3e7c485 ("Soft RoCE driver")
Signed-off-by: Eyal Itkin <eyal.itkin@gmail.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/infiniband/sw/rxe/rxe_resp.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -472,7 +472,7 @@ static enum resp_states check_rkey(struc
 				goto err2;
 			}
 
-			resid = mtu;
+			qp->resp.resid = mtu;
 		} else {
 			if (pktlen != resid) {
 				state = RESPST_ERR_LENGTH;

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