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clk: imx: clk-imx8mn: fix memory leak in imx8mn_clocks_probe

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[ Upstream commit 188d070de9 ]

Use devm_of_iomap() instead of of_iomap() to automatically handle
the unused ioremap region.

If any error occurs, regions allocated by kzalloc() will leak,
but using devm_kzalloc() instead will automatically free the memory
using devm_kfree().

Fixes: daeb145455 ("clk: imx: imx8mn: Switch to clk_hw based API")
Fixes: 96d6392b54 ("clk: imx: Add support for i.MX8MN clock driver")
Signed-off-by: Hao Luo <m202171776@hust.edu.cn>
Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20230411015107.2645-1-m202171776@hust.edu.cn
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Hao Luo 2023-04-11 09:51:07 +08:00 committed by Greg Kroah-Hartman
parent 1839032251
commit 9ba3693b03
1 changed files with 4 additions and 4 deletions
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8
drivers/clk/imx/clk-imx8mn.c
View file

@ -323,7 +323,7 @@ static int imx8mn_clocks_probe(struct platform_device *pdev)
void __iomem *base;
int ret;
clk_hw_data = kzalloc(struct_size(clk_hw_data, hws,
clk_hw_data = devm_kzalloc(dev, struct_size(clk_hw_data, hws,
IMX8MN_CLK_END), GFP_KERNEL);
if (WARN_ON(!clk_hw_data))
return -ENOMEM;
@ -340,10 +340,10 @@ static int imx8mn_clocks_probe(struct platform_device *pdev)
hws[IMX8MN_CLK_EXT4] = imx_obtain_fixed_clk_hw(np, "clk_ext4");
np = of_find_compatible_node(NULL, NULL, "fsl,imx8mn-anatop");
base = of_iomap(np, 0);
base = devm_of_iomap(dev, np, 0, NULL);
of_node_put(np);
if (WARN_ON(!base)) {
ret = -ENOMEM;
if (WARN_ON(IS_ERR(base))) {
ret = PTR_ERR(base);
goto unregister_hws;
}