firmware: dmi-sysfs: Fix memory leak in dmi_sysfs_register_handle
[ Upstream commit660ba678f9
] kobject_init_and_add() takes reference even when it fails. According to the doc of kobject_init_and_add() If this function returns an error, kobject_put() must be called to properly clean up the memory associated with the object. Fix this issue by calling kobject_put(). Fixes:948af1f0bb
("firmware: Basic dmi-sysfs support") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Link: https://lore.kernel.org/r/20220511071421.9769-1-linmq006@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -602,7 +602,7 @@ static void __init dmi_sysfs_register_handle(const struct dmi_header *dh,
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"%d-%d", dh->type, entry->instance);
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if (*ret) {
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kfree(entry);
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kobject_put(&entry->kobj);
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return;
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}
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