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brcmfmac: Fix ifidx for rx data by msgbuf. 

The ifidx provided by FW needs to be offsetted when receiving data
packets.

Cc: stable@vger.kernel.org # v3.17, v3.18
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hante Meuleman 2014-12-03 21:05:28 +01:00 committed by John W. Linville
parent 333c2aa029
commit 94a612086f
1 changed files with 9 additions and 0 deletions
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9
drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c
View File

@ -1080,8 +1080,17 @@ brcmf_msgbuf_rx_skb(struct brcmf_msgbuf *msgbuf, struct sk_buff *skb,
{
struct brcmf_if *ifp;
/* The ifidx is the idx to map to matching netdev/ifp. When receiving
* events this is easy because it contains the bssidx which maps
* 1-on-1 to the netdev/ifp. But for data frames the ifidx is rcvd.
* bssidx 1 is used for p2p0 and no data can be received or
* transmitted on it. Therefor bssidx is ifidx + 1 if ifidx > 0
*/
if (ifidx)
(ifidx)++;
ifp = msgbuf->drvr->iflist[ifidx];
if (!ifp || !ifp->ndev) {
brcmf_err("Received pkt for invalid ifidx %d\n", ifidx);
brcmu_pkt_buf_free_skb(skb);
return;
}