[PATCH] net: mvneta: set rx mode during resume if interface is running

[David Miller]

From: Jisheng Zhang <jszhang at marvell.com>
Date: Mon, 27 Mar 2017 18:59:05 +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 at marvell.com>

This doesn't apply cleanly to the net tree, please respin.