Re: [PATCH -next] staging: rtl8723bs: remove unnecessary null check

From: Dan Carpenter
Date: Tue Oct 15 2019 - 07:46:58 EST


On Tue, Oct 15, 2019 at 07:40:53PM +0800, YueHaibing wrote:
> Null check before kfree is redundant, so remove it.
> This is detected by coccinelle.
>
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---
> drivers/staging/rtl8723bs/core/rtw_xmit.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/staging/rtl8723bs/core/rtw_xmit.c b/drivers/staging/rtl8723bs/core/rtw_xmit.c
> index 7011c2a..4597f4f 100644
> --- a/drivers/staging/rtl8723bs/core/rtw_xmit.c
> +++ b/drivers/staging/rtl8723bs/core/rtw_xmit.c
> @@ -2210,8 +2210,7 @@ void rtw_free_hwxmits(struct adapter *padapter)
> struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
>
> hwxmits = pxmitpriv->hwxmits;
> - if (hwxmits)
> - kfree(hwxmits);
> + kfree(hwxmits);

Just do:

kfree(pxmitpriv->hwxmits);

regards,
dan carpenter