linux-kernel - Re: [PATCH v2 4/7] i2c: i2c-core-acpi: Add i2c_acpi_dev

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Message-ID: <20210128090053.GE963@ninjato>
Date:   Thu, 28 Jan 2021 10:00:53 +0100
From:   Wolfram Sang <wsa@...nel.org>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Daniel Scally <djrscally@...il.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        linux-gpio@...r.kernel.org, linux-i2c <linux-i2c@...r.kernel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        "open list:ACPI COMPONENT ARCHITECTURE (ACPICA)" <devel@...ica.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>, andy@...nel.org,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Lee Jones <lee.jones@...aro.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <mgross@...ux.intel.com>,
        Robert Moore <robert.moore@...el.com>,
        Erik Kaneda <erik.kaneda@...el.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Kieran Bingham <kieran.bingham@...asonboard.com>
Subject: Re: [PATCH v2 4/7] i2c: i2c-core-acpi: Add i2c_acpi_dev_name()


> > There's a real danger of a memory leak, as the function name sounds very
> > similar to dev_name() or acpi_dev_name() and those don't allocate
> > memory. I'm not sure what a better name would be, but given that this
> > function is only used in patch 6/7 and not in the I2C subsystem itself,
> > I wonder if we should inline this kasprintf() call in the caller and
> > drop this patch.
> 
> IMO if this is a one-off usage, it's better to open-code it.

Sounds reasonable to me, too.


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