From: Zhanhao Hu zero12113@hust.edu.cn
[ Upstream commit e02ba11b457647050cb16e7cad16cec3c252fade ]
In function probe(), it returns directly without unregistered hws when error occurs.
Fix this by adding 'goto unregister_hws;' on line 295 and line 310.
Use devm_kzalloc() instead of kzalloc() to automatically free the memory using devm_kfree() when error occurs.
Replace of_iomap() with devm_of_iomap() to automatically handle the unused ioremap region and delete 'iounmap(anatop_base);' in unregister_hws.
Fixes: 24defbe194b6 ("clk: imx: add i.MX93 clk") Signed-off-by: Zhanhao Hu zero12113@hust.edu.cn Reviewed-by: Abel Vesa abel.vesa@linaro.org Link: https://lore.kernel.org/r/20230601033825.336558-1-zero12113@hust.edu.cn Signed-off-by: Abel Vesa abel.vesa@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/clk/imx/clk-imx93.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/drivers/clk/imx/clk-imx93.c b/drivers/clk/imx/clk-imx93.c index 07b4a043e4495..b6c7c2725906c 100644 --- a/drivers/clk/imx/clk-imx93.c +++ b/drivers/clk/imx/clk-imx93.c @@ -264,7 +264,7 @@ static int imx93_clocks_probe(struct platform_device *pdev) void __iomem *base, *anatop_base; int i, ret;
- clk_hw_data = kzalloc(struct_size(clk_hw_data, hws, + clk_hw_data = devm_kzalloc(dev, struct_size(clk_hw_data, hws, IMX93_CLK_END), GFP_KERNEL); if (!clk_hw_data) return -ENOMEM; @@ -288,10 +288,12 @@ static int imx93_clocks_probe(struct platform_device *pdev) "sys_pll_pfd2", 1, 2);
np = of_find_compatible_node(NULL, NULL, "fsl,imx93-anatop"); - anatop_base = of_iomap(np, 0); + anatop_base = devm_of_iomap(dev, np, 0, NULL); of_node_put(np); - if (WARN_ON(!anatop_base)) - return -ENOMEM; + if (WARN_ON(IS_ERR(anatop_base))) { + ret = PTR_ERR(base); + goto unregister_hws; + }
clks[IMX93_CLK_ARM_PLL] = imx_clk_fracn_gppll_integer("arm_pll", "osc_24m", anatop_base + 0x1000, @@ -304,8 +306,8 @@ static int imx93_clocks_probe(struct platform_device *pdev) np = dev->of_node; base = devm_platform_ioremap_resource(pdev, 0); if (WARN_ON(IS_ERR(base))) { - iounmap(anatop_base); - return PTR_ERR(base); + ret = PTR_ERR(base); + goto unregister_hws; }
for (i = 0; i < ARRAY_SIZE(root_array); i++) { @@ -345,7 +347,6 @@ static int imx93_clocks_probe(struct platform_device *pdev)
unregister_hws: imx_unregister_hw_clocks(clks, IMX93_CLK_END); - iounmap(anatop_base);
return ret; }