r8152: increase the tx timeout

When the system is too busy to complete the urb, the tx timout function
would be called. This causes the other tx urbs would be killed, too.
Increase the tx timeout to avoid it.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/usb/r8152.c

@@ -441,7 +441,7 @@ enum rtl_register_content {
 #define BYTE_EN_END_MASK	0xf0
 
 #define RTL8152_RMS		(VLAN_ETH_FRAME_LEN + VLAN_HLEN)
-#define RTL8152_TX_TIMEOUT	(HZ)
+#define RTL8152_TX_TIMEOUT	(5 * HZ)
 
 /* rtl8152 flags */
 enum rtl8152_flags {