linux-kernel - Re: [PATCH] media: usb: fix memory leak in stk_camera

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Date:   Thu, 2 Sep 2021 12:54:16 +0200
From:   Mauro Carvalho Chehab <mchehab@...nel.org>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     Dongliang Mu <mudongliangabcd@...il.com>,
        linux-media@...r.kernel.org,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Dan Carpenter <dan.carpenter@...cle.com>
Subject: Re: [PATCH] media: usb: fix memory leak in stk_camera_probe

Em Thu, 2 Sep 2021 12:39:37 +0200
Greg KH <gregkh@...uxfoundation.org> escreveu:

> On Thu, Sep 02, 2021 at 06:23:36PM +0800, Dongliang Mu wrote:
> > On Fri, Jul 23, 2021 at 6:11 PM Dongliang Mu <mudongliangabcd@...il.com> wrote:  
> > >
> > > On Wed, Jul 14, 2021 at 11:23 AM Dongliang Mu <mudongliangabcd@...il.com> wrote:  
> > > >
> > > > stk_camera_probe mistakenly execute usb_get_intf and increase the
> > > > refcount of interface->dev.
> > > >
> > > > Fix this by removing the execution of usb_get_intf.  
> > >
> > > Any idea about this patch?  
> > 
> > +cc Dan Carpenter, gregkh
> > 
> > There is no reply in this thread in one month. Can someone give some
> > feedback on this patch?  
> 
> This is the media developers domain, not much I can do here.

There is a high volume of patches for the media subsystem. Anyway,
as your patch is at our patchwork instance:

	https://patchwork.linuxtv.org/project/linux-media/patch/20210714032340.504836-1-mudongliangabcd@gmail.com/

It should be properly tracked, and likely handled after the end of
the merge window.

> > > > Reported-by: Dongliang Mu <mudongliangabcd@...il.com>
> > > > Fixes: 0aa77f6c2954 ("[media] move the remaining USB drivers to drivers/media/usb")
> > > > Signed-off-by: Dongliang Mu <mudongliangabcd@...il.com>

If you're the author of the patch, it doesn't make much sense to
add a "Reported-by:" tag there. We only use it in order to give
someone's else credit to report an issue.

Thanks,
Mauro