clk: imx93: unmap anatop base in error handling path
authorPeng Fan <peng.fan@nxp.com>
Fri, 28 Oct 2022 09:52:06 +0000 (17:52 +0800)
committerAbel Vesa <abel.vesa@linaro.org>
Mon, 21 Nov 2022 20:40:53 +0000 (22:40 +0200)
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>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20221028095211.2598312-2-peng.fan@oss.nxp.com
drivers/clk/imx/clk-imx93.c

index 40ecee3b5e78da13dabdbc7afb8cc0b36dd61e90..6c39f3431c79a04399cd5f282d2c5e2900904c86 100644 (file)
@@ -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;
 }