Commit ef827a5b authored by hayeswang's avatar hayeswang Committed by David S. Miller
Browse files

r8152: check the status before submitting rx 



Don't submit the rx if the device is unplugged, stopped, or
linking down.

Signed-off-by: default avatarHayes Wang <hayeswang@realtek.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent aa2e0926

drivers/net/usb/r8152.c

+5 −0
Original line number Diff line number Diff line
@@ -1789,6 +1789,11 @@ int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags) 
{

	int ret;



	/* The rx would be stopped, so skip submitting */

	if (test_bit(RTL8152_UNPLUG, &tp->flags) ||

	    !test_bit(WORK_ENABLE, &tp->flags) || !netif_carrier_ok(tp->netdev))

		return 0;



	usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1),

			  agg->head, agg_buf_sz,

			  (usb_complete_t)read_bulk_callback, agg);