[lvc-project] [PATCH rtw-next 1/6] wifi: rtw89: usb: fix leak in rtw89_usb_rx_handler()

Fedor Pchelkin pchelkin at ispras.ru
Sat Sep 20 16:26:06 MSK 2025


Free allocated skb on the error handling path.

Found by Linux Verification Center (linuxtesting.org).

Fixes: 2135c28be6a8 ("wifi: rtw89: Add usb.{c,h}")
Signed-off-by: Fedor Pchelkin <pchelkin at ispras.ru>
---
 drivers/net/wireless/realtek/rtw89/usb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/realtek/rtw89/usb.c b/drivers/net/wireless/realtek/rtw89/usb.c
index 6cf89aee252e..3435599f4740 100644
--- a/drivers/net/wireless/realtek/rtw89/usb.c
+++ b/drivers/net/wireless/realtek/rtw89/usb.c
@@ -422,6 +422,7 @@ static void rtw89_usb_rx_handler(struct work_struct *work)
 			rtw89_debug(rtwdev, RTW89_DBG_HCI,
 				    "failed to allocate RX skb of size %u\n",
 				    desc_info.pkt_size);
+			dev_kfree_skb_any(rx_skb);
 			continue;
 		}
 
-- 
2.51.0




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