linux-kernel - Re: [PATCH] PCI: rcar: handle the failure case of pm_runtime_get

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Date:   Sat, 6 Jun 2020 14:17:30 +0200
From:   Marek Vasut <marek.vasut@...il.com>
To:     Navid Emamdoost <navid.emamdoost@...il.com>,
        Marek Vasut <marek.vasut+renesas@...il.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     emamd001@....edu, wu000273@....edu, kjlu@....edu, smccaman@....edu
Subject: Re: [PATCH] PCI: rcar: handle the failure case of pm_runtime_get_sync

On 6/5/20 5:23 AM, Navid Emamdoost wrote:
> Calling pm_runtime_get_sync increments the counter even in case of
> failure, causing incorrect ref count. Call pm_runtime_put if
> pm_runtime_get_sync fails.
> 
> Signed-off-by: Navid Emamdoost <navid.emamdoost@...il.com>

This looks like a V2 of
[PATCH] PCI: rcar: fix runtime pm imbalance on error

This looks good to me, but I'm no runtime-pm expert.