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zhao
2026-01-26 00:01:46 +00:00
parent d4df00fe0e
commit ae6d528faf
1 changed files with 25 additions and 0 deletions
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patches/0002-wifi-mt76-mt7996-fix-crash-in-mt7996_tx_prepare_skb.patch Normal file
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@@ -0,0 +1,25 @@
From f473d66ab595d5f37aedc868bfe407da0a1245c8 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 12 Nov 2025 16:32:44 +0000
Subject: wifi: mt76: mt7996: fix crash in mt7996_tx_prepare_skb
Add missing NULL pointer check. In mesh mode, sta can be NULL even for
qosdata frames.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Upstream: https://github.com/openwrt/mt76/commit/f473d66ab595d5f37aedc868bfe407da0a1245c8
---
mt7996/mac.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mt7996/mac.c
+++ b/mt7996/mac.c
@@ -1061,7 +1061,7 @@ int mt7996_tx_prepare_skb(struct mt76_de
if (!wcid)
wcid = &dev->mt76.global_wcid;
- if ((is_8023 || ieee80211_is_data_qos(hdr->frame_control)) && sta->mlo &&
+ if ((is_8023 || ieee80211_is_data_qos(hdr->frame_control)) && sta && sta->mlo &&
likely(tx_info->skb->protocol != cpu_to_be16(ETH_P_PAE))) {
u8 tid = tx_info->skb->priority & IEEE80211_QOS_CTL_TID_MASK;