On Wed, Feb 09, 2011 at 01:12:50AM +0200, Tomas Winkler wrote: > + rc1 = regget(pusb_device, index, &igot, sizeof(igot)); You didn't introduce this either but &igot is a stack address and it's a bug on some arches to use stack addresses for DMA. This is documented in Documentation/DMA-API-HOWTO.txt It seems like it should be documented with usb_control_msg() though if it were actually an issue, so perhaps I'm wrong on this point. regards, dan carpenter _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
