Eygene Ryabinkin <rea-fbsd_at_codelabs.ru> wrote in <sqWp8ZLqcJhvIOZAWr3MfqIXJ9k_at_XX1fo6zQUfC4h0jjRC6IBz3oNH4>: re> Mon, Jun 08, 2009 at 11:00:56AM +0400, Eygene Ryabinkin wrote: re> > Looks like that re> > ----- re> > ifr->ifr_data = (caddr_t)(size_t)options; re> > ----- re> > will be more correct and will disable this warning -- it will convert re> > u_int to the proper type that will be able to carry addresses for the re> > given platform. re> re> Hmm, looking a bit into the code of gif_ioctl, I am under impression re> that 'options' will not be initialized at the GIFSOPTS processing. re> And the statement re> ----- re> if ((error = copyin(&options, &sc->gif_options, re> sizeof(sc->gif_options)))) { re> ----- re> looks strange -- (&options) is in the kernel space (stack space), re> so why one is passing it as the userland address? Judging by the re> contents of newly added setgifopts() inside ifgif.c, I would assume re> that one wants 'ifr->ifr_data' instead of '&options'. re> re> Am I missing something? Gr, certainly this looks strange. I meant the attached patch. Thanks for pointing out it. I will fix the build error as soon as I return home. -- HirokiReceived on Mon Jun 08 2009 - 05:56:11 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:39:49 UTC