lkml.org 
[lkml]   [2012]   [Mar]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
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) {

\
 
 \ /
  Last update: 2012-03-06 21:31    [W:0.027 / U:0.936 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site