diff options
| author | Kuan-Chung Chen <damon.chen@realtek.com> | 2023-01-06 15:15:16 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2023-01-16 16:37:42 +0300 |
| commit | 95dafeabe477d9692154e85140eda5124895ea4f (patch) | |
| tree | d78bfc1836a275dd79e51da217577105721ab5a9 /drivers/net/wireless | |
| parent | fbc2caf19914371973f14b6ac7ef525c49e4b1f1 (diff) | |
| download | linux-95dafeabe477d9692154e85140eda5124895ea4f.tar.xz | |
wifi: rtw89: fix null vif pointer when get management frame date rate
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@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230106121517.19841-1-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/core.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index 2e4ba8e42d39..27f7a1860c9d 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; |