[PATCH] usbnet: consider device busy at each recieved packet

From: Oliver Neukum <oliver-GvhC2dPhHPQdnm+yROfE0A@public.gmane.org>
To: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org,
	Tony Hill <tony.hill-3WKxDLwmzFNWk0Htik3J/w@public.gmane.org>
Cc: linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH] usbnet: consider device busy at each recieved packet
Date: Thu, 22 Mar 2012 21:35:07 +0100	[thread overview]
Message-ID: <201203222135.07331.oliver@neukum.org> (raw)

>From dd427382b6d3326acd6886041e8bbb432dfd4263 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver-GvhC2dPhHPQdnm+yROfE0A@public.gmane.org>
Date: Sat, 3 Mar 2012 18:45:07 +0100
Subject: [PATCH] usbnet: consider device busy at each recieved packet

usbnet should centrally handle busy reporting in the rx path
so subdrivers need not worry. This hurts use cases which do
rx only or predominantly.

Signed-off-by: Oliver Neukum <oneukum-l3A5Bk7waGM@public.gmane.org>
---
 drivers/net/usb/usbnet.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index fae0fbd..a51ab46 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -493,6 +493,7 @@ block:
 		if (netif_running (dev->net) &&
 		    !test_bit (EVENT_RX_HALT, &dev->flags)) {
 			rx_submit (dev, urb, GFP_ATOMIC);
+			usb_mark_last_busy(dev->udev);
 			return;
 		}
 		usb_free_urb (urb);
-- 
1.7.1

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