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mac80211: Reject zero MAC address in sta_info_insert_check()

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As commit 52dba8d7d5 ("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 <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20210626130334.13624-1-yuehaibing@huawei.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
YueHaibing 2021-06-26 21:03:34 +08:00 • committed by Johannes Berg
parent 3d2a2544ea
commit deebea0ae3
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/sta_info.c
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@ -543,7 +543,7 @@ 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