Re: [PATCH] media: uvc_v4l2: fix possible memory leak in uvc_ioctl_ctrl_map

[Laurent Pinchart <laurent.pinchart@ideasonboard.com>]

On Thu, Mar 24, 2022 at 06:17:18PM +0100, Ricardo Ribalda wrote:
> Isnt it a dupe of:
> https://patchwork.linuxtv.org/project/linux-media/patch/20211008120914.69175-1-ribalda@chromium.org/
> ?

It is. I'll review that one.

> On Thu, 24 Mar 2022 at 18:13, Hangyu Hua <hbh25y@gmail.com> wrote:
> >
> > map->name needs to be freed when uvc_ioctl_ctrl_map fails.
> >
> > Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
> > ---
> >  drivers/media/usb/uvc/uvc_v4l2.c | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
> > index 711556d13d03..e46a2f3b06cb 100644
> > --- a/drivers/media/usb/uvc/uvc_v4l2.c
> > +++ b/drivers/media/usb/uvc/uvc_v4l2.c
> > @@ -93,6 +93,7 @@ static int uvc_ioctl_ctrl_map(struct uvc_video_chain *chain,
> >
> >         kfree(map->menu_info);
> >  free_map:
> > +       kfree(map->name);
> >         kfree(map);
> >
> >         return ret;

-- 
Regards,

Laurent Pinchart