Re: [PATCH] staging: rtl8723bs: remove an redundant null check before kfree()

From: zhong jiang
Date: Mon Oct 28 2019 - 21:25:23 EST


On 2019/10/29 0:24, Greg KH wrote:
> On Tue, Oct 29, 2019 at 12:05:02AM +0800, zhong jiang wrote:
>> On 2019/10/25 10:42, Greg KH wrote:
>>> 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 :(
>>>
>>> .
>>>
>> Greg, Could you apply the patch to your tree ?
> It did not apply, so what do you want me to do with it?
>
> confused,
Could you receive the patch ? :-)

Thanks,
zhong jiang
> greg k-h
>
> .
>