Re: [PATCH] driver: make dev_set_name(, NULL) work

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On Tue, Apr 28, 2009 at 12:36:06AM -0700, Yinghai Lu wrote:
> 
> while looking dev_set_name() calling, there is one
> 	dev_set_name(&dev->dev, NULL)
> to used to try to free the device name, before kfree that device.

What's wrong with that?

> need to move the check for device_add in
> | commit 8a577ffc75d9194fe8cdb7479236f2081c26ca1f
> | Author: Kay Sievers <kay.sievers@xxxxxxxx>
> | Date:   Sat Apr 18 15:05:45 2009 -0700
> |
> |    driver: dont update dev_name via device_add path
> from kobject_set_name_vargs to kobject_add_vargs instead.
> 
> in kobject_set_name_vargs will check if fmt is NULL.
> 
> actually we need to use dev_set_name(,NULL) later on failing path
> and release to prevent leaking

Are you sure?

confused,

greg k-h
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