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powerpc/pseries/vas: Call misc_deregister if sysfs init fails
Undo effects of misc_register if sysfs init fails after misc_register. Signed-off-by: Zheng Bin <zhengbin13@huawei.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220511033507.2745992-1-zhengbin13@huawei.com
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@ -248,6 +248,7 @@ int __init sysfs_pseries_vas_init(struct vas_all_caps *vas_caps)
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pseries_vas_kobj = kobject_create_and_add("vas0",
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&vas_miscdev.this_device->kobj);
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if (!pseries_vas_kobj) {
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misc_deregister(&vas_miscdev);
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pr_err("Failed to create VAS sysfs entry\n");
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return -ENOMEM;
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}
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@ -259,6 +260,7 @@ int __init sysfs_pseries_vas_init(struct vas_all_caps *vas_caps)
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if (!gzip_caps_kobj) {
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pr_err("Failed to create VAS GZIP capability entry\n");
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kobject_put(pseries_vas_kobj);
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misc_deregister(&vas_miscdev);
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return -ENOMEM;
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}
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}
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