As page->index is unsigned, this all becomes an unsigned comparison, which
almost always returns an error.
Signed-off-by: Neil Brown <neilb@xxxxxxx>
Cc: Stable <stable@xxxxxxxxxx>
### Diffstat output
./drivers/md/bitmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff .prev/drivers/md/bitmap.c ./drivers/md/bitmap.c
--- .prev/drivers/md/bitmap.c 2007-10-22 16:55:48.000000000 +1000
+++ ./drivers/md/bitmap.c 2007-10-22 16:55:52.000000000 +1000
@@ -274,7 +274,7 @@ static int write_sb_page(struct bitmap *
if (bitmap->offset < 0) {
/* DATA BITMAP METADATA */
if (bitmap->offset
- + page->index * (PAGE_SIZE/512)
+ + (long)(page->index * (PAGE_SIZE/512))
+ size/512 > 0)
/* bitmap runs in to metadata */
return -EINVAL;
-
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