[PATCH 6.1 162/885] wifi: rtw89: fix potential leak in rtw89_append_probe_req_ie()

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From: Zong-Zhe Yang <kevin_yang@xxxxxxxxxxx>

[ Upstream commit 4a0e218cc9c42d1903ade8b5a371dcf48cf918c5 ]

Do `kfree_skb(new)` before `goto out` to prevent potential leak.

Fixes: 895907779752 ("rtw89: 8852a: add ieee80211_ops::hw_scan")
Signed-off-by: Zong-Zhe Yang <kevin_yang@xxxxxxxxxxx>
Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230103141054.17372-1-pkshih@xxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/wireless/realtek/rtw89/fw.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c
index d57e3610fb88e..1d57a8c5e97df 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -2525,8 +2525,10 @@ static int rtw89_append_probe_req_ie(struct rtw89_dev *rtwdev,
 
 		list_add_tail(&info->list, &scan_info->pkt_list[band]);
 		ret = rtw89_fw_h2c_add_pkt_offload(rtwdev, &info->id, new);
-		if (ret)
+		if (ret) {
+			kfree_skb(new);
 			goto out;
+		}
 
 		kfree_skb(new);
 	}
-- 
2.39.2






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