From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753420AbdJHWdg (ORCPT ); Sun, 8 Oct 2017 18:33:36 -0400 Received: from mail-wm0-f67.google.com ([74.125.82.67]:33442 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751584AbdJHWde (ORCPT ); Sun, 8 Oct 2017 18:33:34 -0400 X-Google-Smtp-Source: AOwi7QDg6ezCsbTbHYHesmAIt4jC+Qe2DbA/75kgp0XAErE6ZBfxf4wI96dtLEIvg2PMe9eLK39bXA== From: Christos Gkekas To: David Woodhouse , Joerg Roedel , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Cc: Christos Gkekas Subject: [PATCH] iommu/vt-d: Delete unnecessary check Date: Sun, 8 Oct 2017 23:33:31 +0100 Message-Id: <1507502011-18062-1-git-send-email-chris.gekas@gmail.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Variable did_old is unsigned so checking whether it is greater or equal to zero is not necessary. Signed-off-by: Christos Gkekas --- drivers/iommu/intel-iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index ebb4835..cb7ce99 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2054,7 +2054,7 @@ static int domain_context_mapping_one(struct dmar_domain *domain, if (context_copied(context)) { u16 did_old = context_domain_id(context); - if (did_old >= 0 && did_old < cap_ndoms(iommu->cap)) { + if (did_old < cap_ndoms(iommu->cap)) { iommu->flush.flush_context(iommu, did_old, (((u16)bus) << 8) | devfn, DMA_CCMD_MASK_NOBIT, -- 2.7.4