From: Alexander Wetzel <Alexander@wetzel-home.de>
Date: Thu, 17 Jul 2025 18:25:47 +0200
Subject: [PATCH] wifi: mac80211: Don't call fq_flow_idx() for management
 frames

skb_get_hash() can only be used when the skb is linked to a netdev
device.

Signed-off-by: Alexander Wetzel <Alexander@wetzel-home.de>
Fixes: 73bc9e0af594 ("mac80211: don't apply flow control on management frames")
Link: https://patch.msgid.link/20250717162547.94582-3-Alexander@wetzel-home.de
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1428,7 +1428,7 @@ static void ieee80211_txq_enqueue(struct
 {
 	struct fq *fq = &local->fq;
 	struct fq_tin *tin = &txqi->tin;
-	u32 flow_idx = fq_flow_idx(fq, skb);
+	u32 flow_idx;
 
 	ieee80211_set_skb_enqueue_time(skb);
 
@@ -1444,6 +1444,7 @@ static void ieee80211_txq_enqueue(struct
 			IEEE80211_TX_INTCFL_NEED_TXPROCESSING;
 		__skb_queue_tail(&txqi->frags, skb);
 	} else {
+		flow_idx = fq_flow_idx(fq, skb);
 		fq_tin_enqueue(fq, tin, flow_idx, skb,
 			       fq_skb_free_func);
 	}
