On Sun, Aug 14, 2016 at 9:37 PM, Peter Hutterer
<peter.hutte...@who-t.net> wrote:
> Signed-off-by: Peter Hutterer <peter.hutte...@who-t.net>
> ---
> Not 100% why this is triggered, but when devices are added/removed like
> crazy (running the libinput test suite with the server trying to pick all of
> them up) the parent can sometimes be null.

It at least serves as a safeguard. So,

Acked-by: Ping Cheng <pi...@wacom.com>.

Cheers,

Ping

>  libwacom/libwacom.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/libwacom/libwacom.c b/libwacom/libwacom.c
> index 863dc2a..5ab0ab5 100644
> --- a/libwacom/libwacom.c
> +++ b/libwacom/libwacom.c
> @@ -267,6 +267,8 @@ get_device_info (const char            *path,
>                 GUdevDevice *parent;
>
>                 parent = g_udev_device_get_parent (device);
> +               if (!parent)
> +                       goto out;
>                 *name = g_strdup (g_udev_device_get_sysfs_attr (parent, 
> "name"));
>                 g_object_unref (parent);
>         }
> --
> 2.7.4
>
>
> ------------------------------------------------------------------------------
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------------------------------------------------------------------------------
What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic
patterns at an interface-level. Reveals which users, apps, and protocols are 
consuming the most bandwidth. Provides multi-vendor support for NetFlow, 
J-Flow, sFlow and other flows. Make informed decisions using capacity 
planning reports. http://sdm.link/zohodev2dev
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