From: Alexander Aring <aar@pengutronix.de>
Date: Mon, 22 Feb 2016 08:13:55 +0000 (+0100)
Subject: ieee802154: 6lowpan: fix return of netdev notifier
X-Git-Tag: v4.14-rc1~3609^2~138^2~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ebba380cc94689e372387aa7f63c063a3663e846;p=platform%2Fkernel%2Flinux-rpi.git

ieee802154: 6lowpan: fix return of netdev notifier

This patch fixed the return value of netdev notifier. If the command is
a don't care a NOTIFY_DONE should be returned. If the command matched a
NOTIFY_OK should be returned.

Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Alexander Aring <aar@pengutronix.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---

diff --git a/net/ieee802154/6lowpan/core.c b/net/ieee802154/6lowpan/core.c
index 737c87a..0023c90 100644
--- a/net/ieee802154/6lowpan/core.c
+++ b/net/ieee802154/6lowpan/core.c
@@ -207,7 +207,7 @@ static int lowpan_device_event(struct notifier_block *unused,
 	struct net_device *wdev = netdev_notifier_info_to_dev(ptr);
 
 	if (wdev->type != ARPHRD_IEEE802154)
-		goto out;
+		return NOTIFY_DONE;
 
 	switch (event) {
 	case NETDEV_UNREGISTER:
@@ -219,11 +219,10 @@ static int lowpan_device_event(struct notifier_block *unused,
 			lowpan_dellink(wdev->ieee802154_ptr->lowpan_dev, NULL);
 		break;
 	default:
-		break;
+		return NOTIFY_DONE;
 	}
 
-out:
-	return NOTIFY_DONE;
+	return NOTIFY_OK;
 }
 
 static struct notifier_block lowpan_dev_notifier = {