From: Johannes Berg <johannes@sipsolutions.net>
Date: Thu, 24 Apr 2008 12:16:36 +0000 (+0200)
Subject: mac80211: don't allow invalid WDS peer addresses
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e94e106831403d5028e7bb73c3163951134de1ba;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

mac80211: don't allow invalid WDS peer addresses

Rather than just disallowing the zero address, disallow all
invalid ones.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index e12ffa172813..ab952fff1811 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -255,7 +255,7 @@ static int ieee80211_open(struct net_device *dev)
 
 	switch (sdata->vif.type) {
 	case IEEE80211_IF_TYPE_WDS:
-		if (is_zero_ether_addr(sdata->u.wds.remote_addr))
+		if (!is_valid_ether_addr(sdata->u.wds.remote_addr))
 			return -ENOLINK;
 
 		/* Create STA entry for the WDS peer */