2018-04-28 07:32:51

by Yue Haibing

[permalink] [raw]
Subject: [PATCH] IB/cxgb4: use skb_put_zero()/__skb_put_zero

Use the recently introduced helper to replace the pattern of
skb_put_zero/__skb_put() && memset().

Signed-off-by: YueHaibing <[email protected]>
---
drivers/infiniband/hw/cxgb4/qp.c | 9 +++------
drivers/infiniband/sw/rxe/rxe_net.c | 4 +---
2 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index de77b60..2dc9499 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -1297,8 +1297,7 @@ static void post_terminate(struct c4iw_qp *qhp, struct t4_cqe *err_cqe,

set_wr_txq(skb, CPL_PRIORITY_DATA, qhp->ep->txq_idx);

- wqe = __skb_put(skb, sizeof(*wqe));
- memset(wqe, 0, sizeof *wqe);
+ wqe = __skb_put_zero(skb, sizeof(*wqe));
wqe->op_compl = cpu_to_be32(FW_WR_OP_V(FW_RI_INIT_WR));
wqe->flowid_len16 = cpu_to_be32(
FW_WR_FLOWID_V(qhp->ep->hwtid) |
@@ -1421,8 +1420,7 @@ static int rdma_fini(struct c4iw_dev *rhp, struct c4iw_qp *qhp,

set_wr_txq(skb, CPL_PRIORITY_DATA, ep->txq_idx);

- wqe = __skb_put(skb, sizeof(*wqe));
- memset(wqe, 0, sizeof *wqe);
+ wqe = __skb_put_zero(skb, sizeof(*wqe));
wqe->op_compl = cpu_to_be32(
FW_WR_OP_V(FW_RI_INIT_WR) |
FW_WR_COMPL_F);
@@ -1487,8 +1485,7 @@ static int rdma_init(struct c4iw_dev *rhp, struct c4iw_qp *qhp)
}
set_wr_txq(skb, CPL_PRIORITY_DATA, qhp->ep->txq_idx);

- wqe = __skb_put(skb, sizeof(*wqe));
- memset(wqe, 0, sizeof *wqe);
+ wqe = __skb_put_zero(skb, sizeof(*wqe));
wqe->op_compl = cpu_to_be32(
FW_WR_OP_V(FW_RI_INIT_WR) |
FW_WR_COMPL_F);
diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c
index 9da6e37..95dcd10 100644
--- a/drivers/infiniband/sw/rxe/rxe_net.c
+++ b/drivers/infiniband/sw/rxe/rxe_net.c
@@ -562,11 +562,9 @@ struct sk_buff *rxe_init_packet(struct rxe_dev *rxe, struct rxe_av *av,

pkt->rxe = rxe;
pkt->port_num = port_num;
- pkt->hdr = skb_put(skb, paylen);
+ pkt->hdr = skb_put_zero(skb, paylen);
pkt->mask |= RXE_GRH_MASK;

- memset(pkt->hdr, 0, paylen);
-
dev_put(ndev);
return skb;
}
--
2.7.0




2018-04-28 12:24:56

by Steve Wise

[permalink] [raw]
Subject: RE: [PATCH] IB/cxgb4: use skb_put_zero()/__skb_put_zero



> -----Original Message-----
> From: YueHaibing <[email protected]>
> Sent: Saturday, April 28, 2018 2:31 AM
> To: [email protected]; [email protected]; [email protected];
> [email protected]
> Cc: [email protected]; [email protected]; YueHaibing
> <[email protected]>
> Subject: [PATCH] IB/cxgb4: use skb_put_zero()/__skb_put_zero
>
> Use the recently introduced helper to replace the pattern of
> skb_put_zero/__skb_put() && memset().
>
> Signed-off-by: YueHaibing <[email protected]>

Looks ok.

Reviewed-by: Steve Wise <[email protected]>



2018-05-01 15:28:51

by Doug Ledford

[permalink] [raw]
Subject: Re: [PATCH] IB/cxgb4: use skb_put_zero()/__skb_put_zero

On Sat, 2018-04-28 at 06:53 -0500, Steve Wise wrote:
> > -----Original Message-----
> > From: YueHaibing <[email protected]>
> > Sent: Saturday, April 28, 2018 2:31 AM
> > To: [email protected]; [email protected]; [email protected];
> > [email protected]
> > Cc: [email protected]; [email protected]; YueHaibing
> > <[email protected]>
> > Subject: [PATCH] IB/cxgb4: use skb_put_zero()/__skb_put_zero
> >
> > Use the recently introduced helper to replace the pattern of
> > skb_put_zero/__skb_put() && memset().
> >
> > Signed-off-by: YueHaibing <[email protected]>
>
> Looks ok.
>
> Reviewed-by: Steve Wise <[email protected]>
>
>

Applied to for-next, thanks.

--
Doug Ledford <[email protected]>
GPG KeyID: B826A3330E572FDD
Key fingerprint = AE6B 1BDA 122B 23B4 265B 1274 B826 A333 0E57 2FDD


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