linux-kernel - Re: [PATCH] spi: altera: Fix memory leak on error path

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Message-ID: <20210120083502.GA15003@yilunxu-OptiPlex-7050>
Date:   Wed, 20 Jan 2021 16:35:03 +0800
From:   Xu Yilun <yilun.xu@...el.com>
To:     Pan Bian <bianpan2016@....com>
Cc:     Mark Brown <broonie@...nel.org>,
        Matthew Gerlach <matthew.gerlach@...ux.intel.com>,
        Tom Rix <trix@...hat.com>, Wu Hao <hao.wu@...el.com>,
        linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] spi: altera: Fix memory leak on error path

On Wed, Jan 20, 2021 at 12:26:35AM -0800, Pan Bian wrote:
> Release master that have been previously allocated if the number of
> chipselect is invalid.
> 
> Fixes: 8e04187c1bc7 ("spi: altera: add SPI core parameters support via platform data.")
> Signed-off-by: Pan Bian <bianpan2016@....com>
> ---
>  drivers/spi/spi-altera.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/spi/spi-altera.c b/drivers/spi/spi-altera.c
> index cbc4c28c1541..62ea0c9e321b 100644
> --- a/drivers/spi/spi-altera.c
> +++ b/drivers/spi/spi-altera.c
> @@ -254,7 +254,8 @@ static int altera_spi_probe(struct platform_device *pdev)
>  			dev_err(&pdev->dev,
>  				"Invalid number of chipselect: %hu\n",
>  				pdata->num_chipselect);
> -			return -EINVAL;
> +			err = -EINVAL;
> +			goto exit;

Thanks for the fix. Looks good to me.

Yilun