On Nov 13, 2016 10:18 PM, "Borislav Petkov" <b...@alien8.de> wrote: > > On Sun, Nov 13, 2016 at 08:15:01AM -0800, Andy Lutomirski wrote: > > How about dropping the __ in front of the copy? > > In front of __copy_from_user_inatomic()? > > If so, is there even a global helper by that name? > > $ git grep -E "[^_]copy_from_user_inatomic" > drivers/gpu/drm/msm/msm_gem_submit.c:98: ret = > copy_from_user_inatomic(&submit_bo, userptr, sizeof(submit_bo)); > > is all I can find.
Huh, go figure. How about access_ok() instead? There's also pagefault_disable() + copy_from_user().
