* Kyle Huey <me@xxxxxxxxxxxx> wrote: > diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c > index 0531d6a06df5..dfb79e2ee81f 100644 > --- a/arch/x86/kernel/fpu/core.c > +++ b/arch/x86/kernel/fpu/core.c > @@ -406,16 +406,7 @@ int fpu_copy_uabi_to_guest_fpstate(struct fpu_guest *gfpu, const void *buf, > if (ustate->xsave.header.xfeatures & ~xcr0) > return -EINVAL; > > - ret = copy_uabi_from_kernel_to_xstate(kstate, ustate); > - if (ret) > - return ret; > - > - /* Retrieve PKRU if not in init state */ > - if (kstate->regs.xsave.header.xfeatures & XFEATURE_MASK_PKRU) { > - xpkru = get_xsave_addr(&kstate->regs.xsave, XFEATURE_PKRU); > - *vpkru = xpkru->pkru; > - } > - return 0; > + return copy_uabi_from_kernel_to_xstate(kstate, ustate, vpkru); > } > EXPORT_SYMBOL_GPL(fpu_copy_uabi_to_guest_fpstate); So this removes 'ret' and 'xpkru' use from fpu_copy_uabi_to_guest_fpstate(), but leaves the variables in place, generating a build warning (and error with CONFIG_WERROR=y) ... Thanks, Ingo