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Date:   Mon, 6 Jan 2020 11:05:58 +0100
From:   Wolfram Sang <wsa@the-dreams.de>
To:     Masahiro Yamada <masahiroy@kernel.org>
Cc:     Andrew Morton <akpm@linux-foundation.org>,
        Julia Lawall <julia.lawall@lip6.fr>,
        linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-clk@vger.kernel.org, linux-crypto@vger.kernel.org,
        linux-gpio@vger.kernel.org, linux-i2c@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org,
        netdev@vger.kernel.org, alsa-devel@alsa-project.org,
        devicetree@vger.kernel.org
Subject: Re: [PATCH] treewide: remove redundent IS_ERR() before error code
 check
Message-ID: <20200106100558.GA4831@kunai>
References: <20200106045833.1725-1-masahiroy@kernel.org>
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On Mon, Jan 06, 2020 at 01:58:33PM +0900, Masahiro Yamada wrote:
> 'PTR_ERR(p) =3D=3D -E*' is a stronger condition than IS_ERR(p).
> Hence, IS_ERR(p) is unneeded.
>=20
> The semantic patch that generates this commit is as follows:
>=20
> // <smpl>
> @@
> expression ptr;
> constant error_code;
> @@
> -IS_ERR(ptr) && (PTR_ERR(ptr) =3D=3D - error_code)
> +PTR_ERR(ptr) =3D=3D - error_code
> // </smpl>
>=20
> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

For drivers/i2c:

Acked-by: Wolfram Sang <wsa@the-dreams.de>

Thanks!


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