From 9536102dbfa3b107380cc11bfee9d60680cb480a Mon Sep 17 00:00:00 2001
From: Hugh Dickins <hughd@google.com>
Date: Sun, 16 Apr 2023 22:17:05 -0700
Subject: [PATCH] ia64: fix an addr to taddr in huge_pte_offset()

commit 3647ebcfbfca384840231fe13fae665453238a61 upstream.

I know nothing of ia64 htlbpage_to_page(), but guess that the p4d
line should be using taddr rather than addr, like everywhere else.

Link: https://lkml.kernel.org/r/732eae88-3beb-246-2c72-281de786740@google.com
Fixes: c03ab9e32a2c ("ia64: add support for folded p4d page tables")
Signed-off-by: Hugh Dickins <hughd@google.com
Acked-by: Mike Kravetz <mike.kravetz@oracle.com>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 arch/ia64/mm/hugetlbpage.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c
index f993cb36c062..921db957d2e6 100644
--- a/arch/ia64/mm/hugetlbpage.c
+++ b/arch/ia64/mm/hugetlbpage.c
@@ -58,7 +58,7 @@ huge_pte_offset (struct mm_struct *mm, unsigned long addr, unsigned long sz)
 
 	pgd = pgd_offset(mm, taddr);
 	if (pgd_present(*pgd)) {
-		p4d = p4d_offset(pgd, addr);
+		p4d = p4d_offset(pgd, taddr);
 		if (p4d_present(*p4d)) {
 			pud = pud_offset(p4d, taddr);
 			if (pud_present(*pud)) {