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Subject[PATCH net-next 4/7] r8152: check RTL8152_UNPLUG for rtl8152_close
Date
It is unnecessary to accress the hw register if the device is unplugged.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
---
drivers/net/usb/r8152.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 21f853f..9be642e 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -3064,7 +3064,7 @@ static int rtl8152_close(struct net_device *netdev)
netif_stop_queue(netdev);

res = usb_autopm_get_interface(tp->intf);
- if (res < 0) {
+ if (res < 0 || test_bit(RTL8152_UNPLUG, &tp->flags)) {
rtl_drop_queued_tx(tp);
rtl_stop_rx(tp);
} else {
--
2.1.0


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