The return value of ieee80211_probereq_get() might be NULL, so check it
before using to avoid NULL pointer access.
Addresses-Coverity-ID: 1529805 ("Dereference null return value")
Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
---
drivers/net/wireless/realtek/rtw89/fw.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c
index 37f931e88791..02831514376f 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -6074,6 +6074,9 @@ static int rtw89_update_6ghz_rnr_chan(struct rtw89_dev *rtwdev,
skb = ieee80211_probereq_get(rtwdev->hw, rtwvif_link->mac_addr,
NULL, 0, req->ie_len);
+ if (!skb)
+ return -ENOMEM;
+
skb_put_data(skb, ies->ies[NL80211_BAND_6GHZ], ies->len[NL80211_BAND_6GHZ]);
skb_put_data(skb, ies->common_ies, ies->common_ie_len);
hdr = (struct ieee80211_hdr *)skb->data;
--
2.25.1
