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Subject[PATCH] driver core: handle bus_attach_device() failure
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This patch handles bus_attach_device() failure in device_add().

Cc: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>

drivers/base/core.c | 22 ++++++++++++++++------
1 file changed, 16 insertions(+), 6 deletions(-)

Index: 2.6-mm/drivers/base/core.c
===================================================================
--- 2.6-mm.orig/drivers/base/core.c 2006-10-03 22:58:40.000000000 +0900
+++ 2.6-mm/drivers/base/core.c 2006-10-09 16:57:52.000000000 +0900
@@ -530,7 +530,9 @@ int device_add(struct device *dev)
if ((error = bus_add_device(dev)))
goto BusError;
kobject_uevent(&dev->kobj, KOBJ_ADD);
- bus_attach_device(dev);
+ if ((error = bus_attach_device(dev)))
+ goto BusAttachError;
+
if (parent)
klist_add_tail(&dev->knode_parent, &parent->klist_children);

@@ -548,6 +550,8 @@ int device_add(struct device *dev)
Done:
put_device(dev);
return error;
+ BusAttachError:
+ bus_remove_device(dev);
BusError:
device_pm_remove(dev);
PMError:
-
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