Some usbnet based devices may want to use a rx_urb_size greater than RX_MAX_QUEUE_MEMORY. Prevent this from creating a zero length rx queue.
Signed-off-by: Bjørn Mork <bj...@mork.no> --- drivers/net/usb/usbnet.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index f9819d1..34b5205 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -65,9 +65,9 @@ */ #define RX_MAX_QUEUE_MEMORY (60 * 1518) #define RX_QLEN(dev) (((dev)->udev->speed == USB_SPEED_HIGH) ? \ - (RX_MAX_QUEUE_MEMORY/(dev)->rx_urb_size) : 4) + (1 + RX_MAX_QUEUE_MEMORY/(dev)->rx_urb_size) : 4) #define TX_QLEN(dev) (((dev)->udev->speed == USB_SPEED_HIGH) ? \ - (RX_MAX_QUEUE_MEMORY/(dev)->hard_mtu) : 4) + (1 + RX_MAX_QUEUE_MEMORY/(dev)->hard_mtu) : 4) // reawaken network queue this soon after stopping; else watchdog barks #define TX_TIMEOUT_JIFFIES (5*HZ) -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
