linux-kernel - Re: [PATCH 2/5] misc: fastrpc: Don't reference rpmsg

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Message-Id: <20190828154123.56798208CB@mail.kernel.org>
Date:   Wed, 28 Aug 2019 08:41:22 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        gregkh@...uxfoundation.org
Cc:     arnd@...db.de, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mayank Chopra <mak.chopra@...eaurora.org>,
        Abhinav Asati <asatiabhi@...eaurora.org>,
        Vamsi Singamsetty <vamssi@...eaurora.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: Re: [PATCH 2/5] misc: fastrpc: Don't reference rpmsg_device after remove

Quoting Srinivas Kandagatla (2019-08-23 03:06:19)
> From: Bjorn Andersson <bjorn.andersson@...aro.org>
> 
> As fastrpc_rpmsg_remove() returns the rpdev of the channel context is no
> longer a valid object, so ensure to update the channel context to no
> longer reference the old object and guard in the invoke code path
> against dereferencing it.
> 
> TEST=stop and start remote proc1 using sysfs

Remove this line? Looks like a chromiumism.