netdev - [PATCH AUTOSEL 4.9 07/11] nl80211: Update bss channel on channel switch for P2P

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Message-Id: <20220309162716.137399-7-sashal@kernel.org>
Date:   Wed,  9 Mar 2022 11:27:12 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Sreeramya Soratkal <quic_ssramya@...cinc.com>,
        Johannes Berg <johannes.berg@...el.com>,
        Sasha Levin <sashal@...nel.org>, johannes@...solutions.net,
        davem@...emloft.net, kuba@...nel.org,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH AUTOSEL 4.9 07/11] nl80211: Update bss channel on channel switch for P2P_CLIENT

From: Sreeramya Soratkal <quic_ssramya@...cinc.com>

[ Upstream commit e50b88c4f076242358b66ddb67482b96947438f2 ]

The wdev channel information is updated post channel switch only for
the station mode and not for the other modes. Due to this, the P2P client
still points to the old value though it moved to the new channel
when the channel change is induced from the P2P GO.

Update the bss channel after CSA channel switch completion for P2P client
interface as well.

Signed-off-by: Sreeramya Soratkal <quic_ssramya@...cinc.com>
Link: https://lore.kernel.org/r/1646114600-31479-1-git-send-email-quic_ssramya@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 net/wireless/nl80211.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index ab8bca39afa3..562e138deba2 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -14068,7 +14068,8 @@ void cfg80211_ch_switch_notify(struct net_device *dev,
 	wdev->chandef = *chandef;
 	wdev->preset_chandef = *chandef;
 
-	if (wdev->iftype == NL80211_IFTYPE_STATION &&
+	if ((wdev->iftype == NL80211_IFTYPE_STATION ||
+	     wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
 	    !WARN_ON(!wdev->current_bss))
 		wdev->current_bss->pub.channel = chandef->chan;
 
-- 
2.34.1