From: Felix Fietkau nbd@nbd.name
[ Upstream commit 5b5f1ca9ce73ab6c35e5cd3348f8432ba190d7f4 ]
ieee80211_tx_prepare_skb initializes the skb cb, so fields need to be set afterwards.
Link: https://patch.msgid.link/20250311103646.43346-8-nbd@nbd.name Signed-off-by: Felix Fietkau nbd@nbd.name Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/mediatek/mt76/scan.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/scan.c b/drivers/net/wireless/mediatek/mt76/scan.c index 1c4f9deaaada5..9b20ccbeb8cf1 100644 --- a/drivers/net/wireless/mediatek/mt76/scan.c +++ b/drivers/net/wireless/mediatek/mt76/scan.c @@ -52,11 +52,6 @@ mt76_scan_send_probe(struct mt76_dev *dev, struct cfg80211_ssid *ssid) ether_addr_copy(hdr->addr3, req->bssid); }
- info = IEEE80211_SKB_CB(skb); - if (req->no_cck) - info->flags |= IEEE80211_TX_CTL_NO_CCK_RATE; - info->control.flags |= IEEE80211_TX_CTRL_DONT_USE_RATE_MASK; - if (req->ie_len) skb_put_data(skb, req->ie, req->ie_len);
@@ -64,10 +59,20 @@ mt76_scan_send_probe(struct mt76_dev *dev, struct cfg80211_ssid *ssid) skb_set_queue_mapping(skb, IEEE80211_AC_VO);
rcu_read_lock(); - if (ieee80211_tx_prepare_skb(phy->hw, vif, skb, band, NULL)) - mt76_tx(phy, NULL, mvif->wcid, skb); - else + + if (!ieee80211_tx_prepare_skb(phy->hw, vif, skb, band, NULL)) { ieee80211_free_txskb(phy->hw, skb); + goto out; + } + + info = IEEE80211_SKB_CB(skb); + if (req->no_cck) + info->flags |= IEEE80211_TX_CTL_NO_CCK_RATE; + info->control.flags |= IEEE80211_TX_CTRL_DONT_USE_RATE_MASK; + + mt76_tx(phy, NULL, mvif->wcid, skb); + +out: rcu_read_unlock(); }