IB/rxe: Fix resid update

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>

diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index dd3d88a..ccf6247 100644 (file)
--- 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(struct rxe_qp *qp,
                                goto err2;
                        }
 
-                       resid = mtu;
+                       qp->resp.resid = mtu;
                } else {
                        if (pktlen != resid) {
                                state = RESPST_ERR_LENGTH;