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| author | Dmitry Torokhov <dtor_core@ameritech.net> | 2006-01-05 22:25:13 -0500 |
|---|---|---|
| committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2006-01-05 22:25:13 -0500 |
| commit | fed8bf19ec20efc0641740b2d10aa589dbd6d1ab (patch) | |
| tree | c104a13c7b8cb7f4152b15729dc5aede7c063e91 /drivers/video/sbuslib.c | |
| parent | e7c3aad53dba54d375b632f2a21b680546828dec (diff) | |
| parent | 46f25dffbaba48c571d75f5f574f31978287b8d2 (diff) | |
| download | op-kernel-dev-fed8bf19ec20efc0641740b2d10aa589dbd6d1ab.zip op-kernel-dev-fed8bf19ec20efc0641740b2d10aa589dbd6d1ab.tar.gz | |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/video/sbuslib.c')
| -rw-r--r-- | drivers/video/sbuslib.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/video/sbuslib.c b/drivers/video/sbuslib.c index 646c43f..3a74a63d 100644 --- a/drivers/video/sbuslib.c +++ b/drivers/video/sbuslib.c @@ -46,6 +46,9 @@ int sbusfb_mmap_helper(struct sbus_mmap_map *map, unsigned long off; int i; + if (!(vma->vm_flags & (VM_SHARED | VM_MAYSHARE))) + return -EINVAL; + size = vma->vm_end - vma->vm_start; if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) return -EINVAL; |
