RE: [PATCH] wifi: rtw89: Fix some error handling path in rtw89_wow_enable()

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> -----Original Message-----
> From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> Sent: Sunday, November 13, 2022 11:42 PM
> To: Ping-Ke Shih <pkshih@xxxxxxxxxxx>; Kalle Valo <kvalo@xxxxxxxxxx>; David S. Miller <davem@xxxxxxxxxxxxx>;
> Eric Dumazet <edumazet@xxxxxxxxxx>; Jakub Kicinski <kuba@xxxxxxxxxx>; Paolo Abeni <pabeni@xxxxxxxxxx>;
> Timlee <timlee@xxxxxxxxxxx>
> Cc: linux-kernel@xxxxxxxxxxxxxxx; kernel-janitors@xxxxxxxxxxxxxxx; Christophe JAILLET
> <christophe.jaillet@xxxxxxxxxx>; linux-wireless@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx
> Subject: [PATCH] wifi: rtw89: Fix some error handling path in rtw89_wow_enable()
> 
> 'ret' is not updated after several function calls in rtw89_wow_enable().
> This prevent error handling from working.
> 
> Add the missing assignments.
> 
> Fixes: 19e28c7fcc74 ("wifi: rtw89: add WoWLAN function support")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>

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

Thanks for the fixes.

> ---
>  drivers/net/wireless/realtek/rtw89/wow.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/wireless/realtek/rtw89/wow.c b/drivers/net/wireless/realtek/rtw89/wow.c
> index 7de4dd047d6b..b2b826b2e09a 100644
> --- a/drivers/net/wireless/realtek/rtw89/wow.c
> +++ b/drivers/net/wireless/realtek/rtw89/wow.c
> @@ -744,13 +744,13 @@ static int rtw89_wow_enable(struct rtw89_dev *rtwdev)
>  		goto out;
>  	}
> 
> -	rtw89_wow_swap_fw(rtwdev, true);
> +	ret = rtw89_wow_swap_fw(rtwdev, true);
>  	if (ret) {
>  		rtw89_err(rtwdev, "wow: failed to swap to wow fw\n");
>  		goto out;
>  	}
> 
> -	rtw89_wow_fw_start(rtwdev);
> +	ret = rtw89_wow_fw_start(rtwdev);
>  	if (ret) {
>  		rtw89_err(rtwdev, "wow: failed to let wow fw start\n");
>  		goto out;
> @@ -758,7 +758,7 @@ static int rtw89_wow_enable(struct rtw89_dev *rtwdev)
> 
>  	rtw89_wow_enter_lps(rtwdev);
> 
> -	rtw89_wow_enable_trx_post(rtwdev);
> +	ret = rtw89_wow_enable_trx_post(rtwdev);
>  	if (ret) {
>  		rtw89_err(rtwdev, "wow: failed to enable trx_post\n");
>  		goto out;
> --
> 2.34.1




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