* [PATCH 2.6] fix mmap() return value to conform to POSIX
@ 2005-03-21 10:26 Hong Liu
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From: Hong Liu @ 2005-03-21 10:26 UTC (permalink / raw)
To: akpm; +Cc: linux-kernel
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.
--- a/mm/mmap.c.orig 2005-03-16 14:08:59.116052416 +0800
+++ b/mm/mmap.c 2005-03-16 14:10:16.167338840 +0800
@@ -906,7 +906,7 @@ 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)
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2005-03-21 10:26 [PATCH 2.6] fix mmap() return value to conform to POSIX Hong Liu
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