IB/rxe: remove redudant qpn check

In the commit 536ca245c512 ("IB/rxe: Drop QP0 silently"), if qpn is
zero, the function directly returns. So in the following function,
it is not necessary to check qpn. The qpn check in the function
check_keys is removed.

Fixes: 536ca245c512 ("IB/rxe: Drop QP0 silently")
CC: Srinivas Eeda <srinivas.eeda@oracle.com>
CC: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/sw/rxe/rxe_recv.c b/drivers/infiniband/sw/rxe/rxe_recv.c
index d30dbac..5c29a1b 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_recv.c
+++ b/drivers/infiniband/sw/rxe/rxe_recv.c
@@ -122,7 +122,7 @@ static int check_keys(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
                        set_bad_pkey_cntr(port);
                        goto err1;
                }
-       } else if (qpn != 0) {
+       } else {
                if (unlikely(!pkey_match(pkey,
                                         port->pkey_tbl[qp->attr.pkey_index]
                                        ))) {
@@ -134,7 +134,7 @@ static int check_keys(struct rxe_dev *rxe, struct rxe_pkt_info *pkt,
        }
 
        if ((qp_type(qp) == IB_QPT_UD || qp_type(qp) == IB_QPT_GSI) &&
-           qpn != 0 && pkt->mask) {
+           pkt->mask) {
                u32 qkey = (qpn == 1) ? GSI_QKEY : qp->attr.qkey;
 
                if (unlikely(deth_qkey(pkt) != qkey)) {