From: Greg KH <gregkh@linuxfoundation.org>
To: zhong jiang <zhongjiang@huawei.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] staging: rtl8723bs: remove an redundant null check before kfree()
Date: Tue, 29 Oct 2019 09:06:34 +0100 [thread overview]
Message-ID: <20191029080634.GB506924@kroah.com> (raw)
In-Reply-To: <5DB794FB.4010203@huawei.com>
On Tue, Oct 29, 2019 at 09:25:15AM +0800, zhong jiang wrote:
> 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@huawei.com>
> >>>> ---
> >>>> 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 ? :-)
The patch did not apply properly to my tree, there is no way I can apply
it. Please fix it up and resend it so that I can apply it.
thanks,
greg k-h
next prev parent reply other threads:[~2019-10-29 8:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-16 7:38 [PATCH] staging: rtl8723bs: remove an redundant null check before kfree() zhong jiang
2019-10-25 2:42 ` Greg KH
2019-10-25 3:16 ` zhong jiang
2019-10-28 16:05 ` zhong jiang
2019-10-28 16:24 ` Greg KH
2019-10-29 1:25 ` zhong jiang
2019-10-29 8:06 ` Greg KH [this message]
2019-10-29 8:19 ` zhong jiang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20191029080634.GB506924@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=zhongjiang@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).