Patch "wifi: rtw89: fix potential leak in rtw89_append_probe_req_ie()" has been added to the 6.1-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    wifi: rtw89: fix potential leak in rtw89_append_probe_req_ie()

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     wifi-rtw89-fix-potential-leak-in-rtw89_append_probe_.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 39f86d3793019f6d588ae8f5216473be50d90e23
Author: Zong-Zhe Yang <kevin_yang@xxxxxxxxxxx>
Date:   Tue Jan 3 22:10:54 2023 +0800

    wifi: rtw89: fix potential leak in rtw89_append_probe_req_ie()
    
    [ 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>

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);
 	}