wifi: nl80211: store chandef on the correct link when starting CAC

Link ID to store chandef is still being used as 0 even in case of MLO which
is incorrect. This leads to issue during CAC completion where link 0 as well
gets stopped.

Fixes: 0b7798232eee ("wifi: cfg80211/mac80211: use proper link ID for DFS")
Signed-off-by: Aditya Kumar Singh <aditya.kumar.singh@oss.qualcomm.com>
Link: https://patch.msgid.link/20250314-fix_starting_cac_during_mlo-v1-1-3b51617d7ea5@oss.qualcomm.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 299d575..1a9fc40 100644 (file)
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -10182,7 +10182,7 @@ static int nl80211_start_radar_detection(struct sk_buff *skb,
        switch (wdev->iftype) {
        case NL80211_IFTYPE_AP:
        case NL80211_IFTYPE_P2P_GO:
-               wdev->links[0].ap.chandef = chandef;
+               wdev->links[link_id].ap.chandef = chandef;
                break;
        case NL80211_IFTYPE_ADHOC:
                wdev->u.ibss.chandef = chandef;