On Fri, 2018-09-21 at 18:05 -0500, Benjamin Marzinski wrote:
> A uevent that doesn't include the ACTION and DEVPATH fields is
> malformed. It should be ignored, instead of used with those fields
> being
> NULL.
> 
> Signed-off-by: Benjamin Marzinski <[email protected]>

Reviewed-by: Martin Wilck <[email protected]>

> ---
>  libmultipath/uevent.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/libmultipath/uevent.c b/libmultipath/uevent.c
> index fd8ca35..5f910e6 100644
> --- a/libmultipath/uevent.c
> +++ b/libmultipath/uevent.c
> @@ -729,6 +729,12 @@ struct uevent *uevent_from_udev_device(struct
> udev_device *dev)
>               if (i == HOTPLUG_NUM_ENVP - 1)
>                       break;
>       }
> +     if (!uev->devpath || ! uev->action) {
> +             udev_device_unref(dev);
> +             condlog(1, "uevent missing necessary fields");
> +             FREE(uev);
> +             return NULL;
> +     }
>       uev->udev = dev;
>       uev->envp[i] = NULL;
>  

-- 
Dr. Martin Wilck <[email protected]>, Tel. +49 (0)911 74053 2107
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton
HRB 21284 (AG Nürnberg)


--
dm-devel mailing list
[email protected]
https://www.redhat.com/mailman/listinfo/dm-devel

Reply via email to