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firmware: fix detecting error on register_reboot_notifier()
register_reboot_notifier() can fail, detect this and address this
failure. This has been broken since v3.11, however the chances of
this failing here is really low.
Fixes: fe304143b0
("firmware: Avoid deadlock of usermodehelper lock at shutdown")
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
6bb9cf3aa3
commit
561a10b6a1
@ -1860,8 +1860,15 @@ static int __init firmware_class_init(void)
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if (ret)
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return ret;
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register_reboot_notifier(&fw_shutdown_nb);
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ret = register_reboot_notifier(&fw_shutdown_nb);
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if (ret)
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goto out;
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return register_sysfs_loader();
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out:
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unregister_fw_pm_ops();
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return ret;
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}
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static void __exit firmware_class_exit(void)
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