[MTD] Fix do_div() type warning in mtdconcat

It expects a uint64_t; give it one.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c
index 41844ea..96be7ef 100644 (file)
--- a/drivers/mtd/mtdconcat.c
+++ b/drivers/mtd/mtdconcat.c
@@ -178,7 +178,7 @@ concat_writev(struct mtd_info *mtd, const struct kvec *vecs,
 
        /* Check alignment */
        if (mtd->writesize > 1) {
-               loff_t __to = to;
+               uint64_t __to = to;
                if (do_div(__to, mtd->writesize) || (total_len % mtd->writesize))
                        return -EINVAL;
        }