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soc: loongson: loongson2_guts: Add check for devm_kstrdup()

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Add check for the return value of devm_kstrdup() in
loongson2_guts_probe() to catch potential exception.

Fixes: b82621ac8450 ("soc: loongson: add GUTS driver for loongson-2 platforms")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Link: https://lore.kernel.org/r/20250220081714.2676828-1-haoxiang_li2024@163.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Haoxiang Li 2025-02-20 16:17:14 +08:00 committed by Arnd Bergmann
parent e1fc41045c
commit e31e3f6c0c
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1 changed files with 4 additions and 1 deletions
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drivers/soc/loongson/loongson2_guts.c
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@ -114,8 +114,11 @@ static int loongson2_guts_probe(struct platform_device *pdev)
if (of_property_read_string(root, "model", &machine))
of_property_read_string_index(root, "compatible", 0, &machine);
of_node_put(root);
if (machine)
if (machine) {
soc_dev_attr.machine = devm_kstrdup(dev, machine, GFP_KERNEL);
if (!soc_dev_attr.machine)
return -ENOMEM;
}
svr = loongson2_guts_get_svr();
soc_die = loongson2_soc_die_match(svr, loongson2_soc_die);