All p54usb devices need a explicit termination packet, in oder to finish the pending transfer properly. Else, the firmware could freeze, or simply drop the frame.
Signed-off-by: Christian Lamparter <[email protected]> Cc: stable <[email protected]> --- Attached is the patch is for the stable series only. Bugzilla reference: http://bugzilla.kernel.org/show_bug.cgi?id=12260 (wireless-testing needs a different one) Rafael, I hope we can close this bug. Greg? --- diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c index 75d749b..be40369 100644 --- a/drivers/net/wireless/p54/p54usb.c +++ b/drivers/net/wireless/p54/p54usb.c @@ -214,6 +214,8 @@ static void p54u_tx_3887(struct ieee80211_hw *dev, struct p54_control_hdr *data, usb_fill_bulk_urb(data_urb, priv->udev, usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), data, len, free_on_tx ? p54u_tx_free_cb : p54u_tx_cb, dev); + addr_urb->transfer_flags |= URB_ZERO_PACKET; + data_urb->transfer_flags |= URB_ZERO_PACKET; usb_submit_urb(addr_urb, GFP_ATOMIC); usb_submit_urb(data_urb, GFP_ATOMIC); @@ -251,6 +253,7 @@ static void p54u_tx_lm87(struct ieee80211_hw *dev, usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), hdr, len + sizeof(*hdr), free_on_tx ? p54u_tx_free_cb : p54u_tx_cb, dev); + data_urb->transfer_flags |= URB_ZERO_PACKET; usb_submit_urb(data_urb, GFP_ATOMIC); } @@ -293,11 +296,13 @@ static void p54u_tx_net2280(struct ieee80211_hw *dev, struct p54_control_hdr *da usb_fill_bulk_urb(int_urb, priv->udev, usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV), reg, sizeof(*reg), p54u_tx_free_cb, dev); + int_urb->transfer_flags |= URB_ZERO_PACKET; usb_submit_urb(int_urb, GFP_ATOMIC); usb_fill_bulk_urb(data_urb, priv->udev, usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), hdr, len + sizeof(*hdr), free_on_tx ? p54u_tx_free_cb : p54u_tx_cb, dev); + data_urb->transfer_flags |= URB_ZERO_PACKET; usb_submit_urb(data_urb, GFP_ATOMIC); } -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
