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brcmfmac: fix regression in brcmf_sdio_txpkt_hdalign() 

Recent change in brcmf_sdio_txpkt_hdalign() changed the
behavior and now always returns 0. This resulted in a
regression which basically renders the device useless.

Fixes: 270a6c1f65 ("brcmfmac: rework headroom check in .start_xmit()")
Reported-by: S. Gilles <sgilles@math.umd.edu>
Tested-by: S. Gilles <sgilles@math.umd.edu>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Arend Van Spriel 2017-07-12 10:32:48 +01:00 committed by Kalle Valo
parent 96080f6977
commit 0a16628212
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
View File

@ -2053,12 +2053,13 @@ static int brcmf_sdio_txpkt_hdalign(struct brcmf_sdio *bus, struct sk_buff *pkt)
atomic_inc(&stats->pktcow_failed); atomic_inc(&stats->pktcow_failed);
return -ENOMEM; return -ENOMEM;
} }
head_pad = 0;
} }
skb_push(pkt, head_pad); skb_push(pkt, head_pad);
dat_buf = (u8 *)(pkt->data); dat_buf = (u8 *)(pkt->data);
} }
memset(dat_buf, 0, head_pad + bus->tx_hdrlen); memset(dat_buf, 0, head_pad + bus->tx_hdrlen);
return 0; return head_pad;
} }
/** /**