Hi,
I just saw similar patches in the janitor kernel's list,
and spotted place it fits.
Signed-off-by: Jiri Olsa <[EMAIL PROTECTED]>
---
arch/um/drivers/ubd_kern.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index b1a77b1..1e579e4 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -1020,8 +1020,7 @@ static void cowify_bitmap(__u64 io_offset, int length,
unsigned long *cow_mask,
* 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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