From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751601AbdHRWkc (ORCPT ); Fri, 18 Aug 2017 18:40:32 -0400 Received: from 8bytes.org ([81.169.241.247]:60250 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750967AbdHRWkb (ORCPT ); Fri, 18 Aug 2017 18:40:31 -0400 From: Joerg Roedel To: iommu@lists.linux-foundation.org Cc: Baoquan He , linux-kernel@vger.kernel.org, Joerg Roedel Subject: [PATCH 1/2] iommu/amd: Fix compiler warning in copy_device_table() Date: Sat, 19 Aug 2017 00:40:25 +0200 Message-Id: <1503096026-6851-1-git-send-email-joro@8bytes.org> 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 From: Joerg Roedel This was reported by the kbuild bot. The condition in which entry would be used uninitialized can not happen, because when there is no iommu this function would never be called. But its no fast-path, so fix the warning anyway. Reported-by: kbuild test robot Signed-off-by: Joerg Roedel --- drivers/iommu/amd_iommu_init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index c7d0325..f2023cd 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -854,7 +854,7 @@ static int get_dev_entry_bit(u16 devid, u8 bit) static bool copy_device_table(void) { - u64 int_ctl, int_tab_len, entry, last_entry = 0; + u64 int_ctl, int_tab_len, entry = 0, last_entry = 0; struct dev_table_entry *old_devtb = NULL; u32 lo, hi, devid, old_devtb_size; phys_addr_t old_devtb_phys; -- 2.7.4