From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Boyd <sboyd@kernel.org>
Subject: Re: [PATCH] treewide: remove redundent IS_ERR() before error code
 check
Date: Sun, 05 Jan 2020 22:02:45 -0800
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References: <20200106045833.1725-1-masahiroy@kernel.org>
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To: Andrew Morton <akpm@linux-foundation.org>
Cc: devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-acpi@vger.kernel.org, linux-gpio@vger.kernel.org, netdev@vger.kernel.org, Masahiro Yamada <masahiroy@kernel.org>, linux-kernel@vger.kernel.org, Julia Lawall <julia.lawall@lip6.fr>, linux-mtd@lists.infradead.org, linux-crypto@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org
List-Id: linux-i2c@vger.kernel.org

Quoting Masahiro Yamada (2020-01-05 20:58:33)
> 'PTR_ERR(p) == -E*' is a stronger condition than IS_ERR(p).
> Hence, IS_ERR(p) is unneeded.
> 
> The semantic patch that generates this commit is as follows:
> 
> // <smpl>
> @@
> expression ptr;
> constant error_code;
> @@
> -IS_ERR(ptr) && (PTR_ERR(ptr) == - error_code)
> +PTR_ERR(ptr) == - error_code
> // </smpl>
> 
> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
> ---

For

>  drivers/clk/clk.c                    | 2 +-

Acked-by: Stephen Boyd <sboyd@kernel.org>