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powerpc/pseries/vas: Call misc_deregister if sysfs init fails

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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
This commit is contained in:
Zheng Bin 2022-05-11 11:35:07 +08:00 committed by Michael Ellerman
parent 0e0946e22f
commit 426e580522
1 changed files with 2 additions and 0 deletions
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2
arch/powerpc/platforms/pseries/vas-sysfs.c
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@ -248,6 +248,7 @@ int __init sysfs_pseries_vas_init(struct vas_all_caps *vas_caps)
pseries_vas_kobj = kobject_create_and_add("vas0",
&vas_miscdev.this_device->kobj);
if (!pseries_vas_kobj) {
misc_deregister(&vas_miscdev);
pr_err("Failed to create VAS sysfs entry\n");
return -ENOMEM;
}
@ -259,6 +260,7 @@ int __init sysfs_pseries_vas_init(struct vas_all_caps *vas_caps)
if (!gzip_caps_kobj) {
pr_err("Failed to create VAS GZIP capability entry\n");
kobject_put(pseries_vas_kobj);
misc_deregister(&vas_miscdev);
return -ENOMEM;
}
}