diff mbox series

[1/6] clk: imx93: unmap anatop base in error handling path

Message ID 20221028095211.2598312-2-peng.fan@oss.nxp.com
State New
Headers
Series clk: imx93: fix and update |

Commit Message

Peng Fan (OSS) Oct. 28, 2022, 9:52 a.m. UTC 
  From: Peng Fan <peng.fan@nxp.com>

The anatop base is not unmapped during error handling path, fix it.

Fixes: 24defbe194b6 ("clk: imx: add i.MX93 clk")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/clk/imx/clk-imx93.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

Comments

Abel Vesa Nov. 4, 2022, 9:20 p.m. UTC | #1 
On 22-10-28 17:52:06, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@nxp.com>
> 
> The anatop base is not unmapped during error handling path, fix it.
> 
> Fixes: 24defbe194b6 ("clk: imx: add i.MX93 clk")
> Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>

Reviewed-by: Abel Vesa <abel.vesa@linaro.org>

> ---
>  drivers/clk/imx/clk-imx93.c | 15 +++++++++------
>  1 file changed, 9 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/clk/imx/clk-imx93.c b/drivers/clk/imx/clk-imx93.c
> index 99cff1fd108b..9ef3fcbdd951 100644
> --- a/drivers/clk/imx/clk-imx93.c
> +++ b/drivers/clk/imx/clk-imx93.c
> @@ -258,7 +258,7 @@ static int imx93_clocks_probe(struct platform_device *pdev)
>  	struct device_node *np = dev->of_node;
>  	const struct imx93_clk_root *root;
>  	const struct imx93_clk_ccgr *ccgr;
> -	void __iomem *base = NULL;
> +	void __iomem *base, *anatop_base;
>  	int i, ret;
>  
>  	clk_hw_data = kzalloc(struct_size(clk_hw_data, hws,
> @@ -285,20 +285,22 @@ static int imx93_clocks_probe(struct platform_device *pdev)
>  								    "sys_pll_pfd2", 1, 2);
>  
>  	np = of_find_compatible_node(NULL, NULL, "fsl,imx93-anatop");
> -	base = of_iomap(np, 0);
> +	anatop_base = of_iomap(np, 0);
>  	of_node_put(np);
> -	if (WARN_ON(!base))
> +	if (WARN_ON(!anatop_base))
>  		return -ENOMEM;
>  
> -	clks[IMX93_CLK_AUDIO_PLL] = imx_clk_fracn_gppll("audio_pll", "osc_24m", base + 0x1200,
> +	clks[IMX93_CLK_AUDIO_PLL] = imx_clk_fracn_gppll("audio_pll", "osc_24m", anatop_base + 0x1200,
>  							&imx_fracn_gppll);
> -	clks[IMX93_CLK_VIDEO_PLL] = imx_clk_fracn_gppll("video_pll", "osc_24m", base + 0x1400,
> +	clks[IMX93_CLK_VIDEO_PLL] = imx_clk_fracn_gppll("video_pll", "osc_24m", anatop_base + 0x1400,
>  							&imx_fracn_gppll);
>  
>  	np = dev->of_node;
>  	base = devm_platform_ioremap_resource(pdev, 0);
> -	if (WARN_ON(IS_ERR(base)))
> +	if (WARN_ON(IS_ERR(base))) {
> +		iounmap(anatop_base);
>  		return PTR_ERR(base);
> +	}
>  
>  	for (i = 0; i < ARRAY_SIZE(root_array); i++) {
>  		root = &root_array[i];
> @@ -327,6 +329,7 @@ static int imx93_clocks_probe(struct platform_device *pdev)
>  
>  unregister_hws:
>  	imx_unregister_hw_clocks(clks, IMX93_CLK_END);
> +	iounmap(anatop_base);
>  
>  	return ret;
>  }
> -- 
> 2.37.1
>
diff mbox series

Patch

diff --git a/drivers/clk/imx/clk-imx93.c b/drivers/clk/imx/clk-imx93.c
index 99cff1fd108b..9ef3fcbdd951 100644
--- a/drivers/clk/imx/clk-imx93.c
+++ b/drivers/clk/imx/clk-imx93.c
@@ -258,7 +258,7 @@  static int imx93_clocks_probe(struct platform_device *pdev)
 	struct device_node *np = dev->of_node;
 	const struct imx93_clk_root *root;
 	const struct imx93_clk_ccgr *ccgr;
-	void __iomem *base = NULL;
+	void __iomem *base, *anatop_base;
 	int i, ret;
 
 	clk_hw_data = kzalloc(struct_size(clk_hw_data, hws,
@@ -285,20 +285,22 @@  static int imx93_clocks_probe(struct platform_device *pdev)
 								    "sys_pll_pfd2", 1, 2);
 
 	np = of_find_compatible_node(NULL, NULL, "fsl,imx93-anatop");
-	base = of_iomap(np, 0);
+	anatop_base = of_iomap(np, 0);
 	of_node_put(np);
-	if (WARN_ON(!base))
+	if (WARN_ON(!anatop_base))
 		return -ENOMEM;
 
-	clks[IMX93_CLK_AUDIO_PLL] = imx_clk_fracn_gppll("audio_pll", "osc_24m", base + 0x1200,
+	clks[IMX93_CLK_AUDIO_PLL] = imx_clk_fracn_gppll("audio_pll", "osc_24m", anatop_base + 0x1200,
 							&imx_fracn_gppll);
-	clks[IMX93_CLK_VIDEO_PLL] = imx_clk_fracn_gppll("video_pll", "osc_24m", base + 0x1400,
+	clks[IMX93_CLK_VIDEO_PLL] = imx_clk_fracn_gppll("video_pll", "osc_24m", anatop_base + 0x1400,
 							&imx_fracn_gppll);
 
 	np = dev->of_node;
 	base = devm_platform_ioremap_resource(pdev, 0);
-	if (WARN_ON(IS_ERR(base)))
+	if (WARN_ON(IS_ERR(base))) {
+		iounmap(anatop_base);
 		return PTR_ERR(base);
+	}
 
 	for (i = 0; i < ARRAY_SIZE(root_array); i++) {
 		root = &root_array[i];
@@ -327,6 +329,7 @@  static int imx93_clocks_probe(struct platform_device *pdev)
 
 unregister_hws:
 	imx_unregister_hw_clocks(clks, IMX93_CLK_END);
+	iounmap(anatop_base);
 
 	return ret;
 }