Re: [PATCH net-next v2] net: mvneta: set rx mode during resume if interface is running
From: David Miller
Date: Wed Mar 29 2017 - 17:09:51 EST
From: Jisheng Zhang <jszhang@xxxxxxxxxxx>
Date: Wed, 29 Mar 2017 16:47:19 +0800
> I found a bug by:
>
> 0. boot and start dhcp client
> 1. echo mem > /sys/power/state
> 2. resume back immediately
> 3. don't touch dhcp client to renew the lease
> 4. ping the gateway. No acks
>
> Usually, after step2, the DHCP lease isn't expired, so in theory we
> should resume all back. But in fact, it doesn't. It turns out
> the rx mode isn't resumed correctly. This patch fixes it by adding
> mvneta_set_rx_mode(dev) in the resume hook if interface is running.
>
> Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxxx>
> ---
> Since v1:
> - rebased to the latest net-next tree and explictly mention it
Applied.