From: Hong Liu <hong.liu@intel.com>

POSIX said:
mmap() should return [EOVERFLOW] if the file is a regular file and the
value of off + len exceeds the offset maximum established in the open
file description associated with fildes.

Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 25-akpm/mm/mmap.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -puN mm/mmap.c~fix-mmap-return-value-to-conform-to-posix mm/mmap.c
--- 25/mm/mmap.c~fix-mmap-return-value-to-conform-to-posix	2005-03-21 21:15:47.000000000 -0800
+++ 25-akpm/mm/mmap.c	2005-03-21 21:15:47.000000000 -0800
@@ -905,7 +905,7 @@ unsigned long do_mmap_pgoff(struct file 
 
 	/* offset overflow? */
 	if ((pgoff + (len >> PAGE_SHIFT)) < pgoff)
-		return -EINVAL;
+               return -EOVERFLOW;
 
 	/* Too many mappings? */
 	if (mm->map_count > sysctl_max_map_count)
_