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From: Stephen Boyd <sboyd@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>,
	Masahiro Yamada <masahiroy@kernel.org>
Cc: 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,
	Masahiro Yamada <masahiroy@kernel.org>
Subject: Re: [PATCH] treewide: remove redundent IS_ERR() before error code check
Date: Sun, 05 Jan 2020 22:02:45 -0800	[thread overview]
Message-ID: <20200106060246.49A5720848@mail.kernel.org> (raw)
In-Reply-To: <20200106045833.1725-1-masahiroy@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>


  reply	other threads:[~2020-01-06  6:02 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-06  4:58 [PATCH] treewide: remove redundent IS_ERR() before error code check Masahiro Yamada
2020-01-06  6:02 ` Stephen Boyd [this message]
2020-01-06  9:38 ` Bartosz Golaszewski
2020-01-06 10:05 ` Wolfram Sang
2020-01-07  5:15 ` Eric Biggers
2020-01-07  6:28   ` Masahiro Yamada
2020-01-07  9:52 ` Rafael J. Wysocki
2020-01-08 20:17 ` Rob Herring

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