[PATCH v4 37/66] binfmt_elf: Remove vma linked list walk
From: Liam Howlett <hidden>
Date: 2021-12-01 14:37:28
Also in:
lkml
Subsystem:
exec & binfmt api, elf, filesystems (vfs and infrastructure), the rest · Maintainers:
Kees Cook, Alexander Viro, Christian Brauner, Linus Torvalds
From: "Liam R. Howlett" <redacted> Use the VMA iterator instead. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Liam R. Howlett <redacted> --- 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 f8c7f26f1fbb..d41cca755ff9 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;
@@ -1651,7 +1652,7 @@ static int fill_files_note(struct memelfnote *note) name_base = name_curpos = ((char *)data) + names_ofs; remaining = size - names_ofs; count = 0; - for (vma = mm->mmap; vma != NULL; vma = vma->vm_next) { + for_each_vma(vmi, vma) { struct file *file; const char *filename;
--
2.30.2