diff --git a/drivers/net/wireless/ath/carl9170/rx.c b/drivers/net/wireless/ath/carl9170/rx.c index a0b723078547..9cd93f1d8bef 100644 --- a/drivers/net/wireless/ath/carl9170/rx.c +++ b/drivers/net/wireless/ath/carl9170/rx.c @@ -164,9 +164,6 @@ void carl9170_handle_command_response(struct ar9170 *ar, void *buf, u32 len) struct carl9170_rsp *cmd = buf; struct ieee80211_vif *vif; - if (carl9170_check_sequence(ar, cmd->hdr.seq)) - return; - if ((cmd->hdr.cmd & CARL9170_RSP_FLAG) != CARL9170_RSP_FLAG) { if (!(cmd->hdr.cmd & CARL9170_CMD_ASYNC_FLAG)) carl9170_cmd_callback(ar, len, buf); @@ -820,6 +817,9 @@ static void carl9170_rx_untie_cmds(struct ar9170 *ar, const u8 *respbuf, if (unlikely(i > resplen)) break; + if (carl9170_check_sequence(ar, cmd->hdr.seq)) + break; + carl9170_handle_command_response(ar, cmd, cmd->hdr.len + 4); } diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c index 888152ce3eca..307bc0ddff99 100644 --- a/drivers/net/wireless/ath/carl9170/usb.c +++ b/drivers/net/wireless/ath/carl9170/usb.c @@ -295,6 +295,13 @@ static void carl9170_usb_rx_irq_complete(struct urb *urb) goto resubmit; } + /* + * While the carl9170 firmware does not use this EP, the + * firmware loader in the EEPROM unfortunately does. + * Therefore we need to be ready to handle out-of-band + * responses and traps in case the firmware crashed and + * the loader took over again. + */ carl9170_handle_command_response(ar, urb->transfer_buffer, urb->actual_length);