linux-kernel - Re: [PATCH] arm: plat-omap: counter_32k: use IS

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Message-ID: <87tyj0ywq5.fsf@deeprootsystems.com>
Date:	Mon, 29 Nov 2010 16:29:22 +0100
From:	Kevin Hilman <khilman@...prootsystems.com>
To:	Vasiliy Kulikov <segoon@...nwall.com>
Cc:	kernel-janitors@...r.kernel.org, Tony Lindgren <tony@...mide.com>,
	linux-omap@...r.kernel.org, Russell King <linux@....linux.org.uk>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] arm: plat-omap: counter_32k: use IS_ERR() instead of NULL check

Vasiliy Kulikov <segoon@...nwall.com> writes:

> clk_get() returns ERR_PTR() on error, not NULL.
>
> Signed-off-by: Vasiliy Kulikov <segoon@...nwall.com>

Acked-by: Kevin Hilman <khilman@...prootsystems.com>

> ---
>  Cannot compile this driver, so it is not tested at all.
>
>  arch/arm/plat-omap/counter_32k.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c
> index 155fe43..c1e0d00 100644
> --- a/arch/arm/plat-omap/counter_32k.c
> +++ b/arch/arm/plat-omap/counter_32k.c
> @@ -164,7 +164,7 @@ static int __init omap_init_clocksource_32k(void)
>  			return -ENODEV;
>  
>  		sync_32k_ick = clk_get(NULL, "omap_32ksync_ick");
> -		if (sync_32k_ick)
> +		if (!IS_ERR(sync_32k_ick))
>  			clk_enable(sync_32k_ick);
>  
>  		clocksource_32k.mult = clocksource_hz2mult(32768,
--
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