Driver core: Fix cleanup in device_create_vargs().

From: Cornelia Huck
Date: Wed Sep 03 2008 - 12:26:41 EST


From: Cornelia Huck <cornelia.huck@xxxxxxxxxx>

If device_register() in device_create_vargs() fails, the device
must be cleaned up with put_device() (which is also fine on NULL)
instead of kfree().

Signed-off-by: Cornelia Huck <cornelia.huck@xxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
drivers/base/core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1256,7 +1256,7 @@ struct device *device_create_vargs(struc
return dev;

error:
- kfree(dev);
+ put_device(dev);
return ERR_PTR(retval);
}
EXPORT_SYMBOL_GPL(device_create_vargs);


Patches currently in gregkh-2.6 which might be from cornelia.huck@xxxxxxxxxx are

driver-core/s390-bus_id-dev_name-conversions.patch
driver-core/driver-core-clarify-device-cleanup.patch
driver-core/driver-core-fix-cleanup-in-device_create_vargs.patch
driver-core/s390-bus_id-dev_set_name-changes.patch
driver-core/s390-more-bus_id-dev_name-conversions.patch
driver-core/s390-use-s390_root_dev_-in-kvm_virtio.patch
driver-core/s390-bus_id-dev_set_name-for-css-and-ccw-busses.patch
driver-core/driver-core-provide-a-dev_set_name-that-handles-names-longer-than-20-chars.patch
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