driver core fixes: device_register() retval check in platform.c
Check the return value of device_register() in platform_bus_init(). Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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1 changed files with 9 additions and 2 deletions
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@ -611,8 +611,15 @@ EXPORT_SYMBOL_GPL(platform_bus_type);
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int __init platform_bus_init(void)
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{
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device_register(&platform_bus);
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return bus_register(&platform_bus_type);
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int error;
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error = device_register(&platform_bus);
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if (error)
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return error;
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error = bus_register(&platform_bus_type);
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if (error)
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device_unregister(&platform_bus);
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return error;
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}
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#ifndef ARCH_HAS_DMA_GET_REQUIRED_MASK
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