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@davemloft.net>
 
        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)
 
         * 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;
 }