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RE: [PATCH v2] wifi: rtw88: fix memory leak in rtw_usb_probe()

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> -----Original Message-----
> From: Dongliang Mu <dzm91@xxxxxxxxxxx>
> Sent: Thursday, March 9, 2023 10:17 AM
> To: Yan-Hsuan Chuang <tony0620emma@xxxxxxxxx>; Kalle Valo <kvalo@xxxxxxxxxx>; David S. Miller
> <davem@xxxxxxxxxxxxx>; Eric Dumazet <edumazet@xxxxxxxxxx>; Jakub Kicinski <kuba@xxxxxxxxxx>; Paolo Abeni
> <pabeni@xxxxxxxxxx>
> Cc: Dongliang Mu <dzm91@xxxxxxxxxxx>; linux-wireless@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx;
> linux-kernel@xxxxxxxxxxxxxxx
> Subject: [PATCH v2] wifi: rtw88: fix memory leak in rtw_usb_probe()
> 
> drivers/net/wireless/realtek/rtw88/usb.c:876 rtw_usb_probe()
> warn: 'hw' from ieee80211_alloc_hw() not released on lines: 811
> 
> Fix this by modifying return to a goto statement.
> 
> Signed-off-by: Dongliang Mu <dzm91@xxxxxxxxxxx>

Reviewed-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>

> ---
> v1->v2: modify the commit title
>  drivers/net/wireless/realtek/rtw88/usb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/wireless/realtek/rtw88/usb.c b/drivers/net/wireless/realtek/rtw88/usb.c
> index 2a8336b1847a..68e1b782d199 100644
> --- a/drivers/net/wireless/realtek/rtw88/usb.c
> +++ b/drivers/net/wireless/realtek/rtw88/usb.c
> @@ -808,7 +808,7 @@ int rtw_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
> 
>         ret = rtw_usb_alloc_rx_bufs(rtwusb);
>         if (ret)
> -               return ret;
> +               goto err_release_hw;
> 
>         ret = rtw_core_init(rtwdev);
>         if (ret)
> --
> 2.39.2




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