From: Kuan-Chung Chen <damon.chen@xxxxxxxxxxx> When transmitting a packet that gets from ieee80211_nullfunc_get(), the vif in tx_info->control was no assigned, which will cause dereferencing a null pointer. Signed-off-by: Kuan-Chung Chen <damon.chen@xxxxxxxxxxx> Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx> --- drivers/net/wireless/realtek/rtw89/core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index adc961752a291..f06840634e113 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -498,7 +498,8 @@ static u16 rtw89_core_get_mgmt_rate(struct rtw89_dev *rtwdev, const struct rtw89_chan *chan = rtw89_chan_get(rtwdev, RTW89_SUB_ENTITY_0); u16 lowest_rate; - if (tx_info->flags & IEEE80211_TX_CTL_NO_CCK_RATE || vif->p2p) + if (tx_info->flags & IEEE80211_TX_CTL_NO_CCK_RATE || + (vif && vif->p2p)) lowest_rate = RTW89_HW_RATE_OFDM6; else if (chan->band_type == RTW89_BAND_2G) lowest_rate = RTW89_HW_RATE_CCK1; -- 2.25.1