From: Michael Braun <michael-dev@fami-braun.de>
Date: Mon, 31 Oct 2016 13:40:59 +0000 (+0100)
Subject: nl80211: multicast_to_unicast can be changed while IFF_UP
X-Git-Tag: v4.11-rc1~124^2~420^2~50
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b528414ca3b7b57f4f81b7ff207e6f8ffde89d2e;p=karo-tx-linux.git

nl80211: multicast_to_unicast can be changed while IFF_UP

There is no need to prevent toggling multicast_to_unicast while
interface is already up. This change simplifies reconfiguration
from hostapd.

Signed-off-by: Michael Braun <michael-dev@fami-braun.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index db1a434f6169..7762231abd32 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -11804,9 +11804,6 @@ static int nl80211_set_multicast_to_unicast(struct sk_buff *skb,
 	const struct nlattr *nla;
 	bool enabled;
 
-	if (netif_running(dev))
-		return -EBUSY;
-
 	if (!rdev->ops->set_multicast_to_unicast)
 		return -EOPNOTSUPP;