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| author | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-06-10 13:47:26 -0500 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-06-10 13:47:26 -0500 |
| commit | f0cd91a68acdc9b49d7f6738b514a426da627649 (patch) | |
| tree | 8ad73564015794197583b094217ae0a71e71e753 /mm/madvise.c | |
| parent | 60eef25701d25e99c991dd0f4a9f3832a0c3ad3e (diff) | |
| parent | 128e6ced247cda88f96fa9f2e4ba8b2c4a681560 (diff) | |
Merge ../linux-2.6
Diffstat (limited to 'mm/madvise.c')
| -rw-r--r-- | mm/madvise.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/madvise.c b/mm/madvise.c index af3d573b0141..4e196155a0c3 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -168,6 +168,9 @@ static long madvise_remove(struct vm_area_struct *vma, return -EINVAL; } + if ((vma->vm_flags & (VM_SHARED|VM_WRITE)) != (VM_SHARED|VM_WRITE)) + return -EACCES; + mapping = vma->vm_file->f_mapping; offset = (loff_t)(start - vma->vm_start) |