r8152: add comments

Add comments.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
hayeswang 2013-08-16 16:09:38 +08:00 committed by David S. Miller
parent b1379d9a20
commit 7559fb2fc5
1 changed files with 5 additions and 0 deletions

View File

@ -790,6 +790,9 @@ static void read_bulk_callback(struct urb *urb)
return;
netdev = tp->netdev;
/* When link down, the driver would cancel all bulks. */
/* This avoid the re-submitting bulk */
if (!netif_carrier_ok(netdev))
return;
@ -1296,6 +1299,8 @@ static void bottom_half(unsigned long data)
if (!test_bit(WORK_ENABLE, &tp->flags))
return;
/* When link down, the driver would cancel all bulks. */
/* This avoid the re-submitting bulk */
if (!netif_carrier_ok(tp->netdev))
return;