Messages in this thread Patch in this message | | | Date | Tue, 6 Mar 2012 12:28:52 -0800 (PST) | From | Hugh Dickins <> | Subject | [PATCH] mmap: EINVAL not ENOMEM when rejecting VM_GROWS |
| |
Currently error is -ENOMEM when rejecting VM_GROWSDOWN|VM_GROWSUP from shared anonymous: hoist the file case's -EINVAL up for both.
Signed-off-by: Hugh Dickins <hughd@google.com> ---
mm/mmap.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- 3.3.0-rc6+/mm/mmap.c 2012-03-05 16:38:23.741975593 -0800 +++ linux/mm/mmap.c 2012-03-06 12:14:32.704674576 -0800 @@ -1266,8 +1266,9 @@ munmap_back: vma->vm_pgoff = pgoff; INIT_LIST_HEAD(&vma->anon_vma_chain); + error = -EINVAL; /* when rejecting VM_GROWSDOWN|VM_GROWSUP */ + if (file) { - error = -EINVAL; if (vm_flags & (VM_GROWSDOWN|VM_GROWSUP)) goto free_vma; if (vm_flags & VM_DENYWRITE) {
| |