md: fix an unsigned compare to allow creation of bitmaps with v1.0 metadata

[linux-2.6-omap-h63xx.git] / drivers / md / bitmap.c

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 927cb34c480584d75803d8eb826db7e8f4a45c83..7c426d07a555c0426855571552289c6ed9fcaaaa 100644 (file)
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -274,7 +274,7 @@ static int write_sb_page(struct bitmap *bitmap, struct page *page, int wait)
                        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;