netdev - [PATCH net-next 11/15] brcmfmac: Use __skb

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Message-Id: <20180908.131054.542738942023690504.davem@davemloft.net>
Date:   Sat, 08 Sep 2018 13:10:54 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     netdev@...r.kernel.org
Subject: [PATCH net-next 11/15] brcmfmac: Use __skb_peek().


Instead of direct SKB list pointer accesses.

In these situations, we absolutely know that the SKB queue in question
is non-empty.

Signed-off-by: David S. Miller <davem@...emloft.net>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 2 +-
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
index d2f788d88668..3e37c8cf82c6 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
@@ -576,7 +576,7 @@ int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev,
 
 	if (pktq->qlen == 1)
 		err = brcmf_sdiod_skbuff_read(sdiodev, sdiodev->func2, addr,
-					      pktq->next);
+					      __skb_peek(pktq));
 	else if (!sdiodev->sg_support) {
 		glom_skb = brcmu_pkt_buf_get_skb(totlen);
 		if (!glom_skb)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index a907d7b065fa..1e2fd289323a 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -2189,7 +2189,7 @@ brcmf_sdio_txpkt_prep(struct brcmf_sdio *bus, struct sk_buff_head *pktq,
 	 * length of the chain (including padding)
 	 */
 	if (bus->txglom)
-		brcmf_sdio_update_hwhdr(pktq->next->data, total_len);
+		brcmf_sdio_update_hwhdr(__skb_peek(pktq)->data, total_len);
 	return 0;
 }
 
-- 
2.17.1