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

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Message-ID: <alpine.DEB.2.22.394.2101211006500.482327@rhweight-WRK1>
Date:   Thu, 21 Jan 2021 10:07:11 -0800 (PST)
From:   matthew.gerlach@...ux.intel.com
To:     Pan Bian <bianpan2016@....com>
cc:     Mark Brown <broonie@...nel.org>, Xu Yilun <yilun.xu@...el.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, 20 Jan 2021, 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>
Acked-by: Matthew Gerlach <matthew.gerlach@...ux.intel.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;
> 		}
>
> 		master->num_chipselect = pdata->num_chipselect;
> -- 
> 2.17.1
>
>