From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754929AbeDIUKS (ORCPT ); Mon, 9 Apr 2018 16:10:18 -0400 Received: from mail-wm0-f68.google.com ([74.125.82.68]:37928 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754680AbeDIUHi (ORCPT ); Mon, 9 Apr 2018 16:07:38 -0400 X-Google-Smtp-Source: AIpwx48xx5weCCdS9WALoogwz861dQ1/rn5K/qFPhI7U7OI6WPhXXZWIxSS2o4NkPAtRTJEEqTdEkA== From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Joerg Roedel Cc: iommu@lists.linux-foundation.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 2/4] iommu/tegra: gart: Fix gart_iommu_unmap() Date: Mon, 9 Apr 2018 23:07:20 +0300 Message-Id: X-Mailer: git-send-email 2.16.3 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It must return the number of unmapped bytes on success, returning 0 means that unmapping failed and in result only one page is unmapped. Signed-off-by: Dmitry Osipenko --- drivers/iommu/tegra-gart.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c index 4c0abdcd1ad2..89ec24c6952c 100644 --- a/drivers/iommu/tegra-gart.c +++ b/drivers/iommu/tegra-gart.c @@ -313,7 +313,7 @@ static size_t gart_iommu_unmap(struct iommu_domain *domain, unsigned long iova, gart_set_pte(gart, iova, 0); FLUSH_GART_REGS(gart); spin_unlock_irqrestore(&gart->pte_lock, flags); - return 0; + return bytes; } static phys_addr_t gart_iommu_iova_to_phys(struct iommu_domain *domain, -- 2.16.3