linux-kernel - RE: [PATCH] clk: imx93: Fix an error code assignment in imx93_clocks

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Date:   Wed, 14 Jun 2023 01:56:54 +0000
From:   Peng Fan <peng.fan@....com>
To:     Markus Elfring <Markus.Elfring@....de>,
        "kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        dl-linux-imx <linux-imx@....com>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        Abel Vesa <abelvesa@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Zhanhao Hu <zero12113@...t.edu.cn>
CC:     LKML <linux-kernel@...r.kernel.org>,
        "cocci@...ia.fr" <cocci@...ia.fr>
Subject: RE: [PATCH] clk: imx93: Fix an error code assignment in
 imx93_clocks_probe()

> Subject: [PATCH] clk: imx93: Fix an error code assignment in
> imx93_clocks_probe()
> 
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Tue, 13 Jun 2023 21:50:50 +0200
> 
> The variable “base” was passed to a call of the function “PTR_ERR”
> in the implementation of the function “imx93_clocks_probe”.
> Unfortunately, the variable was not assigned to an error pointer before this
> if branch.
> Thus use the variable “anatop_base” for an error code assignment instead.
> 
> Fixes: e02ba11b4576 ("clk: imx93: fix memory leak and missing unwind goto
> in imx93_clocks_probe")
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>  drivers/clk/imx/clk-imx93.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/imx/clk-imx93.c b/drivers/clk/imx/clk-imx93.c index
> b6c7c2725906..44f435103c65 100644
> --- a/drivers/clk/imx/clk-imx93.c
> +++ b/drivers/clk/imx/clk-imx93.c
> @@ -291,7 +291,7 @@ static int imx93_clocks_probe(struct
> platform_device *pdev)
>  	anatop_base = devm_of_iomap(dev, np, 0, NULL);
>  	of_node_put(np);
>  	if (WARN_ON(IS_ERR(anatop_base))) {
> -		ret = PTR_ERR(base);
> +		ret = PTR_ERR(anatop_base);
>  		goto unregister_hws;
>  	}
Reviewed-by: Peng Fan <peng.fan@....com>
> 
> --
> 2.41.0