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Subject[Patch 3/7] driver core fixes: device_register() retval check in platform.c
From: Cornelia Huck <cornelia.huck@de.ibm.com>

Check the return value of device_register() in platform_bus_init().

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>

---
drivers/base/platform.c | 11 +++++++++--
1 files changed, 9 insertions(+), 2 deletions(-)
--- linux-2.6-CH.orig/drivers/base/platform.c
+++ linux-2.6-CH/drivers/base/platform.c
@@ -611,8 +611,15 @@ EXPORT_SYMBOL_GPL(platform_bus_type);

int __init platform_bus_init(void)
{
- device_register(&platform_bus);
- return bus_register(&platform_bus_type);
+ int error;
+
+ error = device_register(&platform_bus);
+ if (error)
+ return error;
+ error = bus_register(&platform_bus_type);
+ if (error)
+ device_unregister(&platform_bus);
+ return error;
}

#ifndef ARCH_HAS_DMA_GET_REQUIRED_MASK
-
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