From: Ilan Peer <ilan.peer@intel.com>
Date: Sun, 12 Jun 2022 13:49:45 +0000 (+0300)
Subject: wifi: nl80211: allow link ID in set_wiphy with frequency
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=69c3f2d30c357613f9059809bc95170301056aee;p=linux.git

wifi: nl80211: allow link ID in set_wiphy with frequency

This simplifies hostapd implementation, since it didn't
switch to NL80211_CMD_SET_CHANNEL.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 53d63effbca9..0bf1f7267b89 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3475,16 +3475,19 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
 	}
 
 	if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
+		int link_id = nl80211_link_id_or_invalid(info->attrs);
+
 		if (wdev) {
 			wdev_lock(wdev);
 			result = __nl80211_set_channel(
 				rdev,
 				nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
-				info, -1);
+				info, link_id);
 			wdev_unlock(wdev);
 		} else {
-			result = __nl80211_set_channel(rdev, netdev, info, -1);
+			result = __nl80211_set_channel(rdev, netdev, info, link_id);
 		}
+
 		if (result)
 			goto out;
 	}