linux-kernel - Re: [PATCH] regmap: no need to check return value of debugfs

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Message-ID: <20190122155606.GB7579@sirena.org.uk>
Date:   Tue, 22 Jan 2019 15:56:06 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org,
        "Rafael J. Wysocki" <rafael@...nel.org>
Subject: Re: [PATCH] regmap: no need to check return value of debugfs_create
 functions

On Tue, Jan 22, 2019 at 04:21:06PM +0100, Greg Kroah-Hartman wrote:
> When calling debugfs functions, there is no need to ever check the
> return value.  The function can work or not, but the code logic should
> never do something different based on this.

Given that all the rest of the function is doing is further debugfs
operations and when it fails people trying to use the debugfs do welcome
some diagnostics I'm not sure that's particularly helpful.

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