From: Liam R. Howlett <Liam.Howlett@oracle.com>
Date: Wed, 26 Jan 2022 21:11:51 +0000 (-0500)
Subject: riscv: Use vma iterator for vdso
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=0797797e7a6ee5fed561db8e78ed5cf68ae63d82;p=users%2Fjedix%2Flinux-maple.git

riscv: Use vma iterator for vdso

Remove the linked list use in favour of the vma iterator.

Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
---

diff --git a/arch/riscv/kernel/vdso.c b/arch/riscv/kernel/vdso.c
index a9436a65161a..5dcc80f92587 100644
--- a/arch/riscv/kernel/vdso.c
+++ b/arch/riscv/kernel/vdso.c
@@ -116,10 +116,11 @@ int vdso_join_timens(struct task_struct *task, struct time_namespace *ns)
 {
 	struct mm_struct *mm = task->mm;
 	struct vm_area_struct *vma;
+	VMA_ITERATOR(vmi, mm, 0);
 
 	mmap_read_lock(mm);
 
-	for (vma = mm->mmap; vma; vma = vma->vm_next) {
+	for_each_vma(vmi, next) {
 		unsigned long size = vma->vm_end - vma->vm_start;
 
 		if (vma_is_special_mapping(vma, vdso_info.dm))