From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752751AbdEHM4j (ORCPT ); Mon, 8 May 2017 08:56:39 -0400 Received: from mx2.suse.de ([195.135.220.15]:42112 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750985AbdEHM4i (ORCPT ); Mon, 8 May 2017 08:56:38 -0400 From: Juergen Gross To: linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, x86@kernel.org Cc: hpa@zytor.com, mingo@redhat.com, tglx@linutronix.de, ard.biesheuvel@linaro.org, matt@codeblueprint.co.uk, Juergen Gross Subject: [PATCH] efi: don't issue error message when booted under xen Date: Mon, 8 May 2017 14:56:33 +0200 Message-Id: <20170508125633.1762-1-jgross@suse.com> X-Mailer: git-send-email 2.12.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When booted as Xen dom0 there won't be an EFI memmap allocated. Avoid issuing an error message in this case: [ 0.144079] efi: Failed to allocate new EFI memmap Signed-off-by: Juergen Gross --- arch/x86/platform/efi/quirks.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c index 26615991d69c..e0cf95a83f3f 100644 --- a/arch/x86/platform/efi/quirks.c +++ b/arch/x86/platform/efi/quirks.c @@ -360,6 +360,9 @@ void __init efi_free_boot_services(void) free_bootmem_late(start, size); } + if (!num_entries) + return; + new_size = efi.memmap.desc_size * num_entries; new_phys = efi_memmap_alloc(num_entries); if (!new_phys) { -- 2.12.0