linux-kernel - Re: [PATCH v2] i2c-core: One function call less in acpi_i2c_space

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Date:	Sat, 26 Dec 2015 08:48:59 +0100
From:	Wolfram Sang <wsa@...-dreams.de>
To:	SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:	linux-i2c@...r.kernel.org, kbuild-all@...org,
	LKML <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org,
	Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH v2] i2c-core: One function call less in
 acpi_i2c_space_handler() after error detection

> The kfree() function was called in one case by the
> acpi_i2c_space_handler() function during error handling
> even if the passed variable "client" contained a null pointer.

This is OK. kfree() is known to be NULL-tolerant and we rely on it in
various places to keep the code simpler.


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