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authorhayeswang <hayeswang@realtek.com>2013-08-16 16:09:38 +0800
committerDavid S. Miller <davem@davemloft.net>2013-08-20 00:08:22 -0700
commit7559fb2fc547b3507ba462c6558e291fb21b9cee (patch)
treeda49f94250e7916c53a24e6014727b413c32f9bc /drivers/net/usb
parentb1379d9a20167c41b682e96841b34aab32ec50a5 (diff)
downloadblackbird-op-linux-7559fb2fc547b3507ba462c6558e291fb21b9cee.tar.gz
blackbird-op-linux-7559fb2fc547b3507ba462c6558e291fb21b9cee.zip
r8152: add comments
Add comments. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb')
-rw-r--r--drivers/net/usb/r8152.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 825edfe8c088..f3fce412c0c1 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -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;
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