[patch 21/39] remap_file_pages protection support: use EOVERFLOW ret code

[blaisorblade]

From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@xxxxxxxx>

Use -EOVERFLOW ("Value too large for defined data type") rather than -EINVAL
when we cannot store the file offset in the PTE.

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@xxxxxxxx>
---

 linux-2.6.git-paolo/mm/fremap.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -puN mm/fremap.c~rfp-ef2big-ret-code mm/fremap.c
--- linux-2.6.git/mm/fremap.c~rfp-ef2big-ret-code	2005-08-11 23:04:59.000000000 +0200
+++ linux-2.6.git-paolo/mm/fremap.c	2005-08-11 23:04:59.000000000 +0200
@@ -213,7 +213,7 @@ asmlinkage long sys_remap_file_pages(uns
 	/* Can we represent this offset inside this architecture's pte's? */
 #if PTE_FILE_MAX_BITS < BITS_PER_LONG
 	if (pgoff + (size >> PAGE_SHIFT) >= (1UL << PTE_FILE_MAX_BITS))
-		return err;
+		return -EOVERFLOW;
 #endif
 
 	/* We need down_write() to change vma->vm_flags. */
_
-
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