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SubjectRE: [PATCH] wifi: rtw89: Fix some error handling path in rtw89_wow_enable()
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> -----Original Message-----
> From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> Sent: Sunday, November 13, 2022 11:42 PM
> To: Ping-Ke Shih <pkshih@realtek.com>; Kalle Valo <kvalo@kernel.org>; David S. Miller <davem@davemloft.net>;
> Eric Dumazet <edumazet@google.com>; Jakub Kicinski <kuba@kernel.org>; Paolo Abeni <pabeni@redhat.com>;
> Timlee <timlee@realtek.com>
> Cc: linux-kernel@vger.kernel.org; kernel-janitors@vger.kernel.org; Christophe JAILLET
> <christophe.jaillet@wanadoo.fr>; linux-wireless@vger.kernel.org; netdev@vger.kernel.org
> 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@wanadoo.fr>

Acked-by: Ping-Ke Shih <pkshih@realtek.com>

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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