linux-kernel - RE: [patch v8 0/3] drivers/platform: replace module x86/mlxcpld-hotplug with mellanox/mlxreg-hotplug

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Message-ID: <AM4PR05MB33300E8711CC0EE6E0ABBD5FA2EA0@AM4PR05MB3330.eurprd05.prod.outlook.com>
Date:   Tue, 16 Jan 2018 08:08:41 +0000
From:   Vadim Pasternak <vadimp@...lanox.com>
To:     Darren Hart <dvhart@...radead.org>
CC:     "andy.shevchenko@...il.com" <andy.shevchenko@...il.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "platform-driver-x86@...r.kernel.org" 
        <platform-driver-x86@...r.kernel.org>,
        "jiri@...nulli.us" <jiri@...nulli.us>
Subject: RE: [patch v8 0/3] drivers/platform: replace module
 x86/mlxcpld-hotplug with mellanox/mlxreg-hotplug



> -----Original Message-----
> From: Darren Hart [mailto:dvhart@...radead.org]
> Sent: Tuesday, January 16, 2018 5:50 AM
> To: Vadim Pasternak <vadimp@...lanox.com>
> Cc: andy.shevchenko@...il.com; gregkh@...uxfoundation.org; linux-
> kernel@...r.kernel.org; platform-driver-x86@...r.kernel.org; jiri@...nulli.us
> Subject: Re: [patch v8 0/3] drivers/platform: replace module x86/mlxcpld-
> hotplug with mellanox/mlxreg-hotplug
> 
> On Mon, Jan 15, 2018 at 07:45:11PM -0800, Darren Hart wrote:
> > On Mon, Jan 15, 2018 at 07:42:09PM -0800, Darren Hart wrote:
> > > To follow this email, are two patches which are minor incremental
> > > cleanups, which I'd appreciate your review of before I push them to
> > > testing.
> >
> >
> > From 2c5d26ee913e0f5f7d13c559d85e8da7e4ddcdab Mon Sep 17 00:00:00
> 2001
> > Message-Id:
> >
> <2c5d26ee913e0f5f7d13c559d85e8da7e4ddcdab.1516073719.git.dvhart@...ra
> d
> > ead.org>
> > From: "Darren Hart (VMware)" <dvhart@...radead.org>
> > Date: Mon, 15 Jan 2018 19:16:36 -0800
> > Subject: [PATCH 1/2] platform/mellanox: mlxreg-hotplug: Simplify exit
> > path
> >
> > Several functions use a "goto access_error" pattern result in a
> > duplicated exit path at the end of the function. Address this by using
> > a single exit path, and checking for (ret) prior to printing the error
> > message. This adds a conditional, but only in the failure case, and
> > simplifies the exit path.
> >
> > Signed-off-by: Darren Hart (VMware) <dvhart@...radead.org>
> > Cc: Vadim Pasternak <vadimp@...lanox.com>

Acked-by: Vadim Pasternak <vadimp@...lanox.com>

> > ---
> >  drivers/platform/mellanox/mlxreg-hotplug.c | 62
> > ++++++++++++------------------
> >  1 file changed, 25 insertions(+), 37 deletions(-)
> >
> > diff --git a/drivers/platform/mellanox/mlxreg-hotplug.c
> > b/drivers/platform/mellanox/mlxreg-hotplug.c
> > index 9bbaa8c..78056f7 100644
> > --- a/drivers/platform/mellanox/mlxreg-hotplug.c
> > +++ b/drivers/platform/mellanox/mlxreg-hotplug.c
> ...
> > @@ -267,18 +267,15 @@ mlxreg_hotplug_work_helper(struct
> mlxreg_hotplug_priv_data *priv,
> >  	ret = regmap_write(priv->regmap, item->reg +
> MLXREG_HOTPLUG_EVENT_OFF,
> >  			   0);
> >  	if (ret)
> > -		goto access_error;
> > +		goto out:
> 
> Apologies:	goto out;
> 
> --
> Darren Hart
> VMware Open Source Technology Center