linux-kernel - Re: [PATCH 1/1] clk/zynq: Fix possible memory leak

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Message-ID: <20131007021041.GE4875@tarshish>
Date:	Mon, 7 Oct 2013 05:10:41 +0300
From:	Baruch Siach <baruch@...s.co.il>
To:	Felipe Pena <felipensp@...il.com>
Cc:	Mike Turquette <mturquette@...aro.org>,
	Michal Simek <michal.simek@...inx.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Sören Brinkmann <soren.brinkmann@...inx.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/1] clk/zynq: Fix possible memory leak

Hi Felipe,

On Sun, Oct 06, 2013 at 09:55:17PM -0300, Felipe Pena wrote:
> The zynq_clk_register_fclk function can leak memory (fclk_lock) when unable 
> to alloc memory for fclk_gate_lock
> 
> Signed-off-by: Felipe Pena <felipensp@...il.com>
> ---
>  drivers/clk/zynq/clkc.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/clk/zynq/clkc.c b/drivers/clk/zynq/clkc.c
> index cc40fe6..7ea4b5c 100644
> --- a/drivers/clk/zynq/clkc.c
> +++ b/drivers/clk/zynq/clkc.c
> @@ -117,6 +117,7 @@ static void __init zynq_clk_register_fclk(enum zynq_clk fclk,
>  		goto err;
>  	fclk_gate_lock = kmalloc(sizeof(*fclk_gate_lock), GFP_KERNEL);
>  	if (!fclk_gate_lock)
> +		kfree(fclk_lock);
>  		goto err;

Missing braces.

>  	spin_lock_init(fclk_lock);
>  	spin_lock_init(fclk_gate_lock);

baruch

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