51bf2976 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>
---
 drivers/net/usb/asix.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

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:
-- 
1.5.3.7



--
unsubscribe notice
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/