[PATCH 284/379][SRU][OEM-5.6] mac80211: Fix dropping broadcast packets in 802.11 encap

[You-Sheng Yang]

From: Seevalamuthu Mariappan <seevalam at codeaurora.org>

BugLink: https://bugs.launchpad.net/bugs/1879633

Broadcast pkts like arp are getting dropped in 'ieee80211_8023_xmit'.
Fix this by replacing is_valid_ether_addr api with is_zero_ether_addr.

Fixes: 50ff477a8639 ("mac80211: add 802.11 encapsulation offloading support")
Signed-off-by: Seevalamuthu Mariappan <seevalam at codeaurora.org>
Link: https://lore.kernel.org/r/1591697754-4975-1-git-send-email-seevalam@codeaurora.org
Signed-off-by: Johannes Berg <johannes.berg at intel.com>
(cherry picked from commit 78fb5b541b7ae57ac39187ccb3097e606004cf9b)
Signed-off-by: You-Sheng Yang <vicamo.yang at canonical.com>
---
 net/mac80211/tx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 9dc725d56609..907132e84704 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -4206,7 +4206,7 @@ static void ieee80211_8023_xmit(struct ieee80211_sub_if_data *sdata,
 	    (!sta || !test_sta_flag(sta, WLAN_STA_TDLS_PEER)))
 		ra = sdata->u.mgd.bssid;
 
-	if (!is_valid_ether_addr(ra))
+	if (is_zero_ether_addr(ra))
 		goto out_free;
 
 	multicast = is_multicast_ether_addr(ra);
-- 
2.29.2