[PATCH v6 41/71] binfmt_elf: Remove vma linked list walk

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From: "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>

Use the VMA iterator instead.

Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
---
 fs/binfmt_elf.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index f15efed29d3d..13ef8ca2e52b 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1622,6 +1622,7 @@ static void fill_siginfo_note(struct memelfnote *note, user_siginfo_t *csigdata,
 static int fill_files_note(struct memelfnote *note)
 {
 	struct mm_struct *mm = current->mm;
+	VMA_ITERATOR(vmi, mm, 0);
 	struct vm_area_struct *vma;
 	unsigned count, size, names_ofs, remaining, n;
 	user_long_t *data;
@@ -1652,7 +1653,7 @@ static int fill_files_note(struct memelfnote *note)
 	remaining = size - names_ofs;
 	count = 0;
 	mmap_read_lock(mm);
-	for (vma = mm->mmap; vma != NULL; vma = vma->vm_next) {
+	for_each_vma(vmi, vma) {
 		struct file *file;
 		const char *filename;
 
-- 
2.34.1





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