linux-kernel - Re: [V2 PATCH] usb: mtu3: fix NULL pointer dereference

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Message-ID: <1594278321.23885.26.camel@mhfsdcap03>
Date:   Thu, 9 Jul 2020 15:05:21 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Felipe Balbi <balbi@...nel.org>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Felipe Balbi <felipe.balbi@...ux.intel.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Markus Elfring <Markus.Elfring@....de>,
        <linux-usb@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [V2 PATCH] usb: mtu3: fix NULL pointer dereference

On Thu, 2020-07-09 at 09:40 +0300, Felipe Balbi wrote:
> Chunfeng Yun <chunfeng.yun@...iatek.com> writes:
> 
> > Some pointers are dereferenced before successful checks.
> >
> > Reported-by: Markus Elfring <Markus.Elfring@....de>
> > Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
> 
> do you need a Fixes tag here? Perhaps a Cc stable too?
It will not cause somes issues, I think no need add it.

According to Greg's comment, I guess he means no need check these
pointers at all, so I'll send a new version to remove checks.

Thank you

>