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| author | Jeff Garzik <jeff@garzik.org> | 2006-04-20 17:27:45 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-04-20 17:27:45 -0400 |
| commit | 9707b27100a48950f1e15e08a7c5028786e47f55 (patch) | |
| tree | 5745b1e7497ae1499a2e2e9e0a567996419ab34f /mm/madvise.c | |
| parent | 8fc65162a8f25929be80c8d6321a3479e92b5aae (diff) | |
| parent | 402a26f0c040077ed6f941eefac5a6971f0d5f40 (diff) | |
Merge branch 'master'
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 af3d573b014..4e196155a0c 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) |