IB/rxe: replace refcount_inc with skb_get

Follow the advice from Bart, the function refcount_inc is replaced
with skb_get in commit 99dae690255e ("IB/rxe: optimize mcast recv process")
and commit 86af61764151 ("IB/rxe: remove unnecessary skb_clone").

CC: Srinivas Eeda <srinivas.eeda@oracle.com>
CC: Junxiao Bi <junxiao.bi@oracle.com>
Suggested-by: Bart Van Assche <Bart.VanAssche@wdc.com>
Signed-off-by: Zhu Yanjun <yanjun.zhu@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 dd80c7d..c4c9f3b 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_recv.c
+++ b/drivers/infiniband/sw/rxe/rxe_recv.c
@@ -311,7 +311,7 @@ static void rxe_rcv_mcast_pkt(struct rxe_dev *rxe, struct sk_buff *skb)
                 * increase the users of the skb then post to the next qp
                 */
                if (mce->qp_list.next != &mcg->qp_list)
-                       refcount_inc(&skb->users);
+                       skb_get(skb);
 
                pkt->qp = qp;
                rxe_add_ref(qp);

diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index c4172ed..ed402f0 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -990,7 +990,7 @@ static int send_atomic_ack(struct rxe_qp *qp, struct rxe_pkt_info *pkt,
        memset((unsigned char *)SKB_TO_PKT(skb) + sizeof(ack_pkt), 0,
               sizeof(skb->cb) - sizeof(ack_pkt));
 
-       refcount_inc(&skb->users);
+       skb_get(skb);
        res->type = RXE_ATOMIC_MASK;
        res->atomic.skb = skb;
        res->first_psn = ack_pkt.psn;