From: Russ Dill <Russ.Dill@asu.edu>
Date: Thu, 10 Jan 2008 04:32:07 +0000 (-0700)
Subject: [usb netdev] asix: fix regression
X-Git-Tag: v2.6.24-rc8~34^2~5
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=94d433630a1e63d383d592d488f60581e0d98190;p=platform%2Fkernel%2Flinux-3.10.git

[usb netdev] asix: fix regression

51bf2976b55d07f9daae9697a0a3ac9f58abcedc caused a regression in the asix
usbnet driver. usb_control_msg returns the number of bytes read on
success, not 0. Tested with NETGEAR FA120.

Signed-off-by: Russ Dill <Russ.Dill@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---

diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index 1249f44..569028b 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -202,10 +202,10 @@ static int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 		buf,
 		size,
 		USB_CTRL_GET_TIMEOUT);
-	if (err >= 0 && err < size)
-		err = -EINVAL;
-	if (!err)
+	if (err == size)
 		memcpy(data, buf, size);
+	else if (err >= 0)
+		err = -EINVAL;
 	kfree(buf);
 
 out: