Hello Dmitry, On Tue, 19 Aug 2008, Dmitry Baryshkov wrote: > There is one major flaw IMO in this code. Please correct me if I'm wrong: > Driver A: powerdomain_register() > Driver B: powerdomain_get() > Driver A: powerdomain_unregister() > > Then Driver B has a reference to unregistered domain. And as powerdomains > lack any type of refcounting this can lead to any type of memory access > bugs if Driver A is unloaded from the kernel. At this point, only OMAP kernel init code registers powerdomains in arch/arm/mach-omap2/io.c. It's not intended that driver code will manipulate or even know about these. Thanks for the comments, - Paul -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
