From: tom.leiming@gmail.com <tom.leiming@gmail.com>
Date: Mon, 11 Jun 2012 15:19:40 +0000 (+0000)
Subject: usbnet:pegasus: remove usb_get/put_dev in .probe and .disconnect
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5c2f05139ad9459979b3102846fa61347896d148;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

usbnet:pegasus: remove usb_get/put_dev in .probe and .disconnect

usb_device is parent device of usb_interface in the view of driver
model, so its reference count is always held during .probe/.disconnect
of usb_interface instance.

This patch just removes the unnecessay usb_get/put_dev.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 7023220456c5..a0b5807b30d4 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -1329,8 +1329,6 @@ static int pegasus_probe(struct usb_interface *intf,
 	}
 	pegasus_count++;
 
-	usb_get_dev(dev);
-
 	net = alloc_etherdev(sizeof(struct pegasus));
 	if (!net)
 		goto out;
@@ -1407,7 +1405,6 @@ out2:
 out1:
 	free_netdev(net);
 out:
-	usb_put_dev(dev);
 	pegasus_dec_workqueue();
 	return res;
 }
@@ -1425,7 +1422,6 @@ static void pegasus_disconnect(struct usb_interface *intf)
 	pegasus->flags |= PEGASUS_UNPLUG;
 	cancel_delayed_work(&pegasus->carrier_check);
 	unregister_netdev(pegasus->net);
-	usb_put_dev(interface_to_usbdev(intf));
 	unlink_all_urbs(pegasus);
 	free_all_urbs(pegasus);
 	free_skb_pool(pegasus);