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Commit c8cce1f9 authored by Arend van Spriel's avatar Arend van Spriel Committed by John W. Linville
Browse files

brcmfmac: fix brcmf_sdcard_send_pkt() for host without sg support 



If the host does not support scatter-gather transmit the packets
in the pktq individually using brcmf_sdio_buffrw().

Reviewed-by: default avatarFranky Lin <frankyl@broadcom.com>
Reviewed-by: default avatarHante Meuleman <meuleman@broadcom.com>
Reviewed-by: default avatarPieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: default avatarArend van Spriel <arend@broadcom.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 667931e8

drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c

+11 −3
Original line number Diff line number Diff line
@@ -620,6 +620,7 @@ int 
brcmf_sdcard_send_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,

		      uint flags, struct sk_buff_head *pktq)

{

	struct sk_buff *skb;

	uint width;

	int err;
@@ -631,9 +632,16 @@ brcmf_sdcard_send_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn, 
	if (err)

		return err;



	if (pktq->qlen == 1)

		return brcmf_sdio_buffrw(sdiodev, fn, true, addr, pktq->next);

	return brcmf_sdio_sglist_rw(sdiodev, fn, true, addr, pktq);

	if (pktq->qlen == 1 || !sdiodev->sg_support)

		skb_queue_walk(pktq, skb) {

			err = brcmf_sdio_buffrw(sdiodev, fn, true, addr, skb);

			if (err)

				break;

		}

	else

		err = brcmf_sdio_sglist_rw(sdiodev, fn, true, addr, pktq);



	return err;

}



int