linux-kernel - [PATCH net 3/3] r8152: check WORK

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Message-ID: <1394712342-15778-72-Taiwan-albertk@realtek.com>
Date:	Wed, 29 Oct 2014 11:12:17 +0800
From:	Hayes Wang <hayeswang@...ltek.com>
To:	<netdev@...r.kernel.org>
CC:	<nic_swsd@...ltek.com>, <linux-kernel@...r.kernel.org>,
	<linux-usb@...r.kernel.org>, Hayes Wang <hayeswang@...ltek.com>
Subject: [PATCH net 3/3] r8152: check WORK_ENABLE in suspend function

Avoid unnecessary behavior when autosuspend occurs during open().
The relative processes should only be run after finishing open().

Signed-off-by: Hayes Wang <hayeswang@...ltek.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 f224231..ca3c5d5 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -3207,7 +3207,7 @@ static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message)
 		netif_device_detach(netdev);
 	}
 
-	if (netif_running(netdev)) {
+	if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) {
 		clear_bit(WORK_ENABLE, &tp->flags);
 		usb_kill_urb(tp->intr_urb);
 		tasklet_disable(&tp->tl);
-- 
1.9.3

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