commit 6761049629402fc811961b4f996fec77169b5429
author hayeswang <hayeswang@realtek.com> Thu Oct 30 11:46:40 2014 +0800
committer David S. Miller <davem@davemloft.net> Thu Oct 30 16:55:17 2014 -0400
tree 935eeebaada3a47f21dd1c36c868abe8dad90d2d
parent 646697b9e3fef913bb6393ebfb6115c442a96be7

r8152: set RTL8152_UNPLUG when finding -ENODEV

Set RTL8152_UNPLUG when finding -ENODEV. This could accelerate
unloading the driver when the device is unplugged.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/usb/r8152.c

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index e1810bc..f116335 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -690,6 +690,9 @@
 		}
 	}
 
+	if (ret == -ENODEV)
+		set_bit(RTL8152_UNPLUG, &tp->flags);
+
 	return ret;
 }
 
@@ -757,6 +760,9 @@
 	}
 
 error1:
+	if (ret == -ENODEV)
+		set_bit(RTL8152_UNPLUG, &tp->flags);
+
 	return ret;
 }
 
@@ -1083,6 +1089,7 @@
 
 	result = r8152_submit_rx(tp, agg, GFP_ATOMIC);
 	if (result == -ENODEV) {
+		set_bit(RTL8152_UNPLUG, &tp->flags);
 		netif_device_detach(tp->netdev);
 	} else if (result) {
 		spin_lock(&tp->rx_lock);
@@ -1187,11 +1194,13 @@
 
 resubmit:
 	res = usb_submit_urb(urb, GFP_ATOMIC);
-	if (res == -ENODEV)
+	if (res == -ENODEV) {
+		set_bit(RTL8152_UNPLUG, &tp->flags);
 		netif_device_detach(tp->netdev);
-	else if (res)
+	} else if (res) {
 		netif_err(tp, intr, tp->netdev,
 			  "can't resubmit intr, status %d\n", res);
+	}
 }
 
 static inline void *rx_agg_align(void *data)
@@ -1755,6 +1764,7 @@
 			struct net_device *netdev = tp->netdev;
 
 			if (res == -ENODEV) {
+				set_bit(RTL8152_UNPLUG, &tp->flags);
 				netif_device_detach(netdev);
 			} else {
 				struct net_device_stats *stats = &netdev->stats;