RE: [PATCH -next v2] wifi: rtw88: add missing destroy_workqueue() on error path in rtw_core_init()
From: Ping-Ke Shih
Date: Thu Aug 25 2022 - 22:46:13 EST
> -----Original Message-----
> From: Yang Yingliang <yangyingliang@xxxxxxxxxx>
> Sent: Friday, August 26, 2022 10:38 AM
> To: linux-kernel@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; linux-wireless@xxxxxxxxxxxxxxx
> Cc: tony0620emma@xxxxxxxxx; kvalo@xxxxxxxxxx; Bernie Huang <phhuang@xxxxxxxxxxx>
> Subject: [PATCH -next v2] wifi: rtw88: add missing destroy_workqueue() on error path in rtw_core_init()
>
> Add the missing destroy_workqueue() before return from rtw_core_init()
> in error path.
>
> Fixes: fe101716c7c9 ("rtw88: replace tx tasklet with work queue")
> Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Reviewed-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
Thanks
> ---
> v2:
> Change labe name to 'out'.
> ---
> drivers/net/wireless/realtek/rtw88/main.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c
> index 790dcfed1125..475ce0e3071c 100644
> --- a/drivers/net/wireless/realtek/rtw88/main.c
> +++ b/drivers/net/wireless/realtek/rtw88/main.c
> @@ -2094,7 +2094,7 @@ int rtw_core_init(struct rtw_dev *rtwdev)
> ret = rtw_load_firmware(rtwdev, RTW_NORMAL_FW);
> if (ret) {
> rtw_warn(rtwdev, "no firmware loaded\n");
> - return ret;
> + goto out;
> }
>
> if (chip->wow_fw_name) {
> @@ -2104,11 +2104,15 @@ int rtw_core_init(struct rtw_dev *rtwdev)
> wait_for_completion(&rtwdev->fw.completion);
> if (rtwdev->fw.firmware)
> release_firmware(rtwdev->fw.firmware);
> - return ret;
> + goto out;
> }
> }
>
> return 0;
> +
> +out:
> + destroy_workqueue(rtwdev->tx_wq);
> + return ret;
> }
> EXPORT_SYMBOL(rtw_core_init);
>
> --
> 2.25.1
>
>
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