Hi James, >From: quozl@xxxxxxxxxx [mailto:quozl@xxxxxxxxxx] >Sent: 23 January 2015 12:46 >To: Amitkumar Karwar; Avinash Patil >Cc: linux-wireless@xxxxxxxxxxxxxxx >Subject: [RFC PATCH] mwifiex: handle command response in aggregation > >Firmware does occasionally pass a command response to the host on the >data port. Ensure it is processed. > >http://dev.laptop.org/ticket/12749 >--- >Seen on device firmwares: > > 14.66.9.p96 > 14.66.35.p52 > >Others not tested. > > drivers/net/wireless/mwifiex/sdio.c | 5 ++--- > 1 file changed, 2 insertions(+), 3 deletions(-) > >diff --git a/drivers/net/wireless/mwifiex/sdio.c >b/drivers/net/wireless/mwifiex/sdio.c >index 933dae1..8fe6147 100644 >--- a/drivers/net/wireless/mwifiex/sdio.c >+++ b/drivers/net/wireless/mwifiex/sdio.c >@@ -1240,8 +1240,7 @@ static int >mwifiex_sdio_card_to_host_mp_aggr(struct mwifiex_adapter *adapter, > /* copy pkt to deaggr buf */ > skb_deaggr = card->mpa_rx.skb_arr[pind]; > >- if ((pkt_type == MWIFIEX_TYPE_DATA) && (pkt_len <= >- card->mpa_rx.len_arr[pind])) { >+ if (pkt_len <= card->mpa_rx.len_arr[pind]) { > > memcpy(skb_deaggr->data, curr_ptr, pkt_len); > >@@ -1251,7 +1250,7 @@ static int >mwifiex_sdio_card_to_host_mp_aggr(struct mwifiex_adapter *adapter, > mwifiex_decode_rx_packet(adapter, skb_deaggr, > pkt_type); > } else { >- dev_err(adapter->dev, "wrong aggr pkt:" >+ dev_err(adapter->dev, "bad aggr pkt:" > " type=%d len=%d max_len=%d\n", > pkt_type, pkt_len, > card->mpa_rx.len_arr[pind]); >-- >1.9.1 > > We checked with our firmware engineer. There is no possibility of receiving command response on data port. Probably this is a corrupted data received on SDIO. If possible, could you print this data and share log? Regards, Amit -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html