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From: Arnd Bergmann <arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org
Cc: Geliang Tang <geliangtang@163.com>, Sekhar Nori <nsekhar@ti.com>,
	Kevin Hilman <khilman@deeprootsystems.com>,
	Russell King <linux@arm.linux.org.uk>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 6/7] ARM: davinci: fix a problematic usage of WARN()
Date: Wed, 25 Nov 2015 14:39:44 +0100	[thread overview]
Message-ID: <12268783.CeI9Q9YHFN@wuerfel> (raw)
In-Reply-To: <06d69890c56bd84a831a1dccee26e34b4988a241.1448456395.git.geliangtang@163.com>

On Wednesday 25 November 2015 21:12:19 Geliang Tang wrote:
> +++ b/arch/arm/mach-davinci/board-dm355-evm.c
> @@ -385,7 +385,7 @@ static __init void dm355_evm_init(void)
>  
>         aemif = clk_get(&dm355evm_dm9000.dev, "aemif");
>         if (IS_ERR(aemif))
> -               WARN("%s: unable to get AEMIF clock\n", __func__);
> +               WARN(1, "%s: unable to get AEMIF clock\n", __func__);
>         else
>                 clk_prepare_enable(aemif);
>  
> 

How about writing this as 

	if (!WARN(IS_ERR(aemif)), "unable to get AEMIF clock\n"))
		clk_prepare_enable(aemif);

Note that WARN() already contains file and line, so you don't really
need the __func__ here either.

	Arnd

  parent reply	other threads:[~2015-11-25 13:41 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-25 13:12 [PATCH 1/7] drm/msm/mdp: fix a problematic usage of WARN_ON() Geliang Tang
2015-11-25 13:12 ` [PATCH 2/7] drm/vmwgfx: " Geliang Tang
2015-11-25 13:12   ` [PATCH 3/7] iio: " Geliang Tang
2015-11-25 13:12     ` [PATCH 4/7] iwlwifi: fix a problematic usage of WARN_ON_ONCE() Geliang Tang
2015-11-25 13:12       ` [PATCH 5/7] vfio: fix a problematic usage of WARN() Geliang Tang
2015-11-25 13:12         ` [PATCH 6/7] ARM: davinci: " Geliang Tang
2015-11-25 13:12           ` [PATCH 7/7] powerpc: " Geliang Tang
2015-11-26  5:25             ` Michael Ellerman
2015-11-25 13:39           ` Arnd Bergmann [this message]
2015-11-25 14:13             ` [PATCH v2] ARM: davinci: " Geliang Tang
2015-11-25 20:21               ` kbuild test robot
2015-11-25 20:28                 ` Arnd Bergmann
2015-11-26  0:35                   ` [PATCH v3] " Geliang Tang
2015-12-15  9:58                     ` Sekhar Nori
2015-11-25 13:35         ` [PATCH 5/7] vfio: " Alex Williamson
2015-11-25 13:47       ` [PATCH 4/7] iwlwifi: fix a problematic usage of WARN_ON_ONCE() Grumbach, Emmanuel
2015-11-25 13:14     ` [PATCH 3/7] iio: fix a problematic usage of WARN_ON() Lars-Peter Clausen
2015-11-25 15:50   ` [PATCH 2/7] drm/vmwgfx: " Sinclair Yeh
2015-11-26 14:51   ` Thomas Hellstrom

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