netdev - [PATCH 1/9] can: ems_usb: Removed double netif_device

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Date:	Fri,  3 Feb 2012 01:51:50 +0100
From:	Marc Kleine-Budde <mkl@...gutronix.de>
To:	davem@...emloft.net
Cc:	Netdev@...r.kernel.org, kernel@...gutronix.de, mkl@...ckshift.org,
	linux-can@...r.kernel.org, Sebastian Haas <dev@...astianhaas.info>,
	Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH 1/9] can: ems_usb: Removed double netif_device_detach

From: Sebastian Haas <dev@...astianhaas.info>

netif_device_attched is called twice when ems_usb_start fails with -ENODEV

Signed-off-by: Sebastian Haas <dev@...astianhaas.info>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 drivers/net/can/usb/ems_usb.c |    9 ---------
 1 files changed, 0 insertions(+), 9 deletions(-)

diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 9697c14..7dae64d 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -627,9 +627,6 @@ static int ems_usb_start(struct ems_usb *dev)
 
 		err = usb_submit_urb(urb, GFP_KERNEL);
 		if (err) {
-			if (err == -ENODEV)
-				netif_device_detach(dev->netdev);
-
 			usb_unanchor_urb(urb);
 			usb_free_coherent(dev->udev, RX_BUFFER_SIZE, buf,
 					  urb->transfer_dma);
@@ -659,9 +656,6 @@ static int ems_usb_start(struct ems_usb *dev)
 
 	err = usb_submit_urb(dev->intr_urb, GFP_KERNEL);
 	if (err) {
-		if (err == -ENODEV)
-			netif_device_detach(dev->netdev);
-
 		dev_warn(netdev->dev.parent, "intr URB submit failed: %d\n",
 			 err);
 
@@ -692,9 +686,6 @@ static int ems_usb_start(struct ems_usb *dev)
 	return 0;
 
 failed:
-	if (err == -ENODEV)
-		netif_device_detach(dev->netdev);
-
 	dev_warn(netdev->dev.parent, "couldn't submit control: %d\n", err);
 
 	return err;
-- 
1.7.4.1

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