From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932932Ab3BLELu (ORCPT ); Mon, 11 Feb 2013 23:11:50 -0500 Received: from mail-wi0-f172.google.com ([209.85.212.172]:50464 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760174Ab3BLELs (ORCPT ); Mon, 11 Feb 2013 23:11:48 -0500 From: Cyril Roelandt To: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Cc: Cyril Roelandt , joro@8bytes.org, iommu@lists.linux-foundation.org Subject: [PATCH 2/5] iommu: remove redundant NULL check before dma_ops_domain_free(). Date: Tue, 12 Feb 2013 05:01:50 +0100 Message-Id: <1360641713-24895-3-git-send-email-tipecaml@gmail.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1360641713-24895-1-git-send-email-tipecaml@gmail.com> References: <1360641713-24895-1-git-send-email-tipecaml@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org dma_ops_domain_free on a NULL pointer is a no-op, so the NULL check in amd_iommu_init_dma_ops() can be removed. Signed-off-by: Cyril Roelandt --- drivers/iommu/amd_iommu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index d33eaaf..98f555d 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3187,8 +3187,7 @@ int __init amd_iommu_init_dma_ops(void) free_domains: for_each_iommu(iommu) { - if (iommu->default_dom) - dma_ops_domain_free(iommu->default_dom); + dma_ops_domain_free(iommu->default_dom); } return ret; -- 1.7.10.4