From: Zong-Zhe Yang <kevin_yang@realtek.com>
Date: Tue, 3 Jan 2023 22:10:54 +0800
Subject: [PATCH] wifi: rtw89: fix potential leak in
rtw89_append_probe_req_ie()
References: bsc#1012628
Patch-mainline: 6.2.3
Git-commit: 4a0e218cc9c42d1903ade8b5a371dcf48cf918c5
[ 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@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/20230103141054.17372-1-pkshih@realtek.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
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 de1f2377..3b7af8fa 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -2665,8 +2665,10 @@ 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);
}
--
2.35.3