Artur Skawina confirmed that the first generation devices needs the same URB_ZERO_PACKET flag, in oder to finish the pending transfer properly. The second generation has been successfully fixed by "p54usb: fix random traffic stalls (LM87)" (43af18f06d5) Signed-off-by: Christian Lamparter <chunkeey@xxxxxx> --- diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c index da3e918..bf264b1 100644 --- a/drivers/net/wireless/p54/p54usb.c +++ b/drivers/net/wireless/p54/p54usb.c @@ -229,6 +229,8 @@ static void p54u_tx_3887(struct ieee80211_hw *dev, struct sk_buff *skb) usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), skb->data, skb->len, FREE_AFTER_TX(skb) ? p54u_tx_cb : p54u_tx_dummy_cb, skb); + addr_urb->transfer_flags |= URB_ZERO_PACKET; + data_urb->transfer_flags |= URB_ZERO_PACKET; usb_anchor_urb(addr_urb, &priv->submitted); err = usb_submit_urb(addr_urb, GFP_ATOMIC); @@ -237,7 +239,7 @@ static void p54u_tx_3887(struct ieee80211_hw *dev, struct sk_buff *skb) goto out; } - usb_anchor_urb(addr_urb, &priv->submitted); + usb_anchor_urb(data_urb, &priv->submitted); err = usb_submit_urb(data_urb, GFP_ATOMIC); if (err) usb_unanchor_urb(data_urb); @@ -332,12 +334,13 @@ static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb) * free what's inside the transfer_buffer after the callback routine * has completed. */ - int_urb->transfer_flags |= URB_FREE_BUFFER; + int_urb->transfer_flags |= URB_FREE_BUFFER | URB_ZERO_PACKET; usb_fill_bulk_urb(data_urb, priv->udev, usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), hdr, skb->len + sizeof(*hdr), FREE_AFTER_TX(skb) ? p54u_tx_cb : p54u_tx_dummy_cb, skb); + data_urb->transfer_flags |= URB_ZERO_PACKET; usb_anchor_urb(int_urb, &priv->submitted); err = usb_submit_urb(int_urb, GFP_ATOMIC); -- 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
