Re: [PATCH] staging: rtl8723bs: remove an redundant null check before kfree()
From: Greg KH
Date: Thu Oct 24 2019 - 22:48:42 EST
On Wed, Oct 16, 2019 at 03:38:26PM +0800, zhong jiang wrote:
> kfree() has taken null pointer into account. hence it is safe to remove
> the unnecessary check.
>
> Signed-off-by: zhong jiang <zhongjiang@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);
> }
>
> void rtw_init_hwxmits(struct hw_xmit *phwxmit, sint entry)
> --
> 1.7.12.4
>
Patch does not apply to my tree :(