On Mon, Jun 23, 2003 at 08:39:33PM +0300, Tuukka Toivonen wrote: > Can usb_disconnect() and usb_probe() functions of a driver pre-empt the > driver in other parts? I mean, that if user has just called my open() > function in the driver, could usb_disconnect() happen before the system > call returns?
Yes. > If usb_disconnect() can happen while already executing in open(), and if > the former frees the data structures used by the driver, then the latter > call might continue working with already freed memory region which could > lead to catastrophe. Yup. > So I guess it is not possible, but I'd like to have a confirmation. Also > if somebody would care to explain a little why it isn't possible, would be > nice. It is possible, you need to make sure it will not cause bad things to happen in your driver :) Hope this helps, greg k-h ------------------------------------------------------- This SF.Net email is sponsored by: INetU Attention Web Developers & Consultants: Become An INetU Hosting Partner. Refer Dedicated Servers. We Manage Them. You Get 10% Monthly Commission! INetU Dedicated Managed Hosting http://www.inetu.net/partner/index.php _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
