On Wed, 9 May 2018 10:17:34 +0200
Mohammed Gamal <mgamal@xxxxxxxxxx> wrote:
> On older windows hosts the net_device instance is returned to
> the caller of rndis_filter_device_add() without having the presence
> bit set first. This would cause any subsequent calls to network device
> operations (e.g. MTU change, channel change) to fail after the device
> is detached once, returning -ENODEV.
>
> Instead of returning the device instabce, we take the exit path where
> we call netif_device_attach()
>
> Fixes: 7b2ee50c0cd5 ("hv_netvsc: common detach logic")
>
> Signed-off-by: Mohammed Gamal <mgamal@xxxxxxxxxx>
The standard for patch submission is no blank lines between Fixes
and Signed-off-by to make it easier for bots.
> ---
> drivers/net/hyperv/rndis_filter.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
> index 6b127be..e7ca5b5 100644
> --- a/drivers/net/hyperv/rndis_filter.c
> +++ b/drivers/net/hyperv/rndis_filter.c
> @@ -1288,7 +1288,7 @@ struct netvsc_device *rndis_filter_device_add(struct hv_device *dev,
> rndis_device->link_state ? "down" : "up");
>
> if (net_device->nvsp_version < NVSP_PROTOCOL_VERSION_5)
> - return net_device;
> + goto out;
>
> rndis_filter_query_link_speed(rndis_device, net_device);
>
Reviewed-by: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>
_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
