From: Jiri Olsa <[EMAIL PROTECTED]>
I just saw similar patches in the janitor kernel's list,
and spotted place it fits.
Signed-off-by: Jiri Olsa <[EMAIL PROTECTED]>
Signed-off-by: Jeff Dike <[EMAIL PROTECTED]>
---
arch/um/drivers/ubd_kern.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Index: linux-2.6-git/arch/um/drivers/ubd_kern.c
===================================================================
--- linux-2.6-git.orig/arch/um/drivers/ubd_kern.c 2008-04-24
16:51:07.000000000 -0400
+++ linux-2.6-git/arch/um/drivers/ubd_kern.c 2008-04-24 17:06:17.000000000
-0400
@@ -1004,8 +1004,8 @@ static void cowify_bitmap(__u64 io_offse
* by one word. Thanks to Lynn Kerby for the fix and James McMechan
* for the original diagnosis.
*/
- if(*cow_offset == ((bitmap_len + sizeof(unsigned long) - 1) /
- sizeof(unsigned long) - 1))
+ if (*cow_offset == (DIV_ROUND_UP(bitmap_len,
+ sizeof(unsigned long)) - 1))
(*cow_offset)--;
bitmap_words[0] = bitmap[*cow_offset];
-------------------------------------------------------------------------
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