From: Zhu Yanjun <yanjun.zhu@oracle.com>
Date: Tue, 10 Apr 2018 09:37:39 -0400
Subject: IB/rxe: replace refcount_inc with skb_get
Patch-mainline: v4.18-rc1
Git-commit: fe896ceb577252966ec3339d511424e2495e1072
References: bsc#1103992 FATE#326009
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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/sw/rxe/rxe_recv.c | 2 +-
drivers/infiniband/sw/rxe/rxe_resp.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
--- 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
* 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);
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -987,7 +987,7 @@ static int send_atomic_ack(struct rxe_qp
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;