binfmt_elf: Remove vma linked list walk

Use the VMA iterator instead.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index dc23183557620743046df04710ca5bd93680c991..a8aaadbb273b26862e03243781a78316f0edfc45 100644 (file)
--- 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;