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wifi: rtw89: fix leak in rtw89_core_send_nullfunc()

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If there is no rtwsta_link found in rtw89_core_send_nullfunc(), allocated
skb is leaked.  Free it on the error handling path.

Found by Linux Verification Center (linuxtesting.org).

Fixes: a8ba4acab7 ("wifi: rtw89: send nullfunc based on the given link")
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250919210852.823912-4-pchelkin@ispras.ru
This commit is contained in:
Fedor Pchelkin 2025-09-20 00:08:49 +03:00 committed by Ping-Ke Shih
parent c24248ed78
commit a9f0064f47
1 changed files with 1 additions and 0 deletions
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1
drivers/net/wireless/realtek/rtw89/core.c
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@ -3961,6 +3961,7 @@ int rtw89_core_send_nullfunc(struct rtw89_dev *rtwdev, struct rtw89_vif_link *rt
rtwsta_link = rtwsta->links[rtwvif_link->link_id];
if (unlikely(!rtwsta_link)) {
ret = -ENOLINK;
dev_kfree_skb_any(skb);
goto out;
}