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Date: Wed, 29 Mar 2017 14:09:45 -0700 (PDT) From: David Miller <davem@...emloft.net> To: jszhang@...vell.com Cc: thomas.petazzoni@...e-electrons.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Subject: Re: [PATCH net-next v2] net: mvneta: set rx mode during resume if interface is running From: Jisheng Zhang <jszhang@...vell.com> 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@...vell.com> > --- > Since v1: > - rebased to the latest net-next tree and explictly mention it Applied.
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