[PATCHv2 1/1] r8169: fix the typo in the comment

[Zhu Yanjun]

>From the realtek data sheet, the PID0 should be bit 0.

Signed-off-by: Zhu Yanjun <yanjun....@oracle.com>
---
Change from v1 to v2:
 change the commit header. 

 drivers/net/ethernet/realtek/r8169.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/realtek/r8169.c 
b/drivers/net/ethernet/realtek/r8169.c
index 44389c9..8f1623b 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -696,7 +696,7 @@ enum rtl_tx_desc_bit_1 {
 enum rtl_rx_desc_bit {
        /* Rx private */
        PID1            = (1 << 18), /* Protocol ID bit 1/2 */
-       PID0            = (1 << 17), /* Protocol ID bit 2/2 */
+       PID0            = (1 << 17), /* Protocol ID bit 0/2 */
 
 #define RxProtoUDP     (PID1)
 #define RxProtoTCP     (PID0)
-- 
2.7.4