2021-06-26 13:06:41

by YueHaibing

[permalink] [raw]
Subject: [PATCH v2] mac80211: Reject zero MAC address in sta_info_insert_check()

As commit 52dba8d7d5ab ("mac80211: reject zero MAC address in add station")
said, we don't consider all-zeroes to be a valid MAC address in most places,
so also reject it here.

Signed-off-by: YueHaibing <[email protected]>
---
v2: Add missing ! operator

net/mac80211/sta_info.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index f2fb69da9b6e..3a6887fc9160 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -547,7 +547,7 @@ static int sta_info_insert_check(struct sta_info *sta)
return -ENETDOWN;

if (WARN_ON(ether_addr_equal(sta->sta.addr, sdata->vif.addr) ||
- is_multicast_ether_addr(sta->sta.addr)))
+ !is_valid_ether_addr(sta->sta.addr)))
return -EINVAL;

/* The RCU read lock is required by rhashtable due to
--
2.17.1