From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f198.google.com (mail-qk0-f198.google.com [209.85.220.198]) by kanga.kvack.org (Postfix) with ESMTP id 309626B000A for ; Fri, 16 Mar 2018 15:14:22 -0400 (EDT) Received: by mail-qk0-f198.google.com with SMTP id a207so4776580qkb.23 for ; Fri, 16 Mar 2018 12:14:22 -0700 (PDT) Received: from mx1.redhat.com (mx3-rdu2.redhat.com. [66.187.233.73]) by mx.google.com with ESMTPS id p18si1340698qtp.357.2018.03.16.12.14.21 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 16 Mar 2018 12:14:21 -0700 (PDT) From: jglisse@redhat.com Subject: [PATCH 04/14] mm/hmm: hmm_pfns_bad() was accessing wrong struct Date: Fri, 16 Mar 2018 15:14:09 -0400 Message-Id: <20180316191414.3223-5-jglisse@redhat.com> In-Reply-To: <20180316191414.3223-1-jglisse@redhat.com> References: <20180316191414.3223-1-jglisse@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org Cc: Andrew Morton , linux-kernel@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , stable@vger.kernel.org, Evgeny Baskakov , Ralph Campbell , Mark Hairgrove , John Hubbard From: JA(C)rA'me Glisse The private field of mm_walk struct point to an hmm_vma_walk struct and not to the hmm_range struct desired. Fix to get proper struct pointer. Signed-off-by: JA(C)rA'me Glisse Cc: stable@vger.kernel.org Cc: Evgeny Baskakov Cc: Ralph Campbell Cc: Mark Hairgrove Cc: John Hubbard --- mm/hmm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/hmm.c b/mm/hmm.c index 6088fa6ed137..64d9e7dae712 100644 --- a/mm/hmm.c +++ b/mm/hmm.c @@ -293,7 +293,8 @@ static int hmm_pfns_bad(unsigned long addr, unsigned long end, struct mm_walk *walk) { - struct hmm_range *range = walk->private; + struct hmm_vma_walk *hmm_vma_walk = walk->private; + struct hmm_range *range = hmm_vma_walk->range; hmm_pfn_t *pfns = range->pfns; unsigned long i; -- 2.14.3