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soc: renesas: renesas-soc: Release 'chipid' from ioremap()
[ Upstream commitfc187a46a8
] Smatch reports: drivers/soc/renesas/renesas-soc.c:536 renesas_soc_init() warn: 'chipid' from ioremap() not released on lines: 475. If soc_dev_atrr allocation is failed, function renesas_soc_init() will return without releasing 'chipid' from ioremap(). Fix this by adding function iounmap(). Fixes:cb5508e47e
("soc: renesas: Add support for reading product revision for RZ/G2L family") Signed-off-by: Li Yang <lidaxian@hust.edu.cn> Reviewed-by: Dan Carpenter <error27@gmail.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/20230331095545.31823-1-lidaxian@hust.edu.cn Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 4 additions and 1 deletions
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@ -454,8 +454,11 @@ static int __init renesas_soc_init(void)
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}
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soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
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if (!soc_dev_attr)
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if (!soc_dev_attr) {
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if (chipid)
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iounmap(chipid);
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return -ENOMEM;
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}
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np = of_find_node_by_path("/");
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of_property_read_string(np, "model", &soc_dev_attr->machine);
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