diff options
| -rw-r--r-- | drivers/mtd/mtdconcat.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c index b7de90845c2..3c61a980c56 100644 --- a/drivers/mtd/mtdconcat.c +++ b/drivers/mtd/mtdconcat.c @@ -19,6 +19,8 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/concat.h> +#include <asm/div64.h> + /* * Our storage structure: * Subdev points to an array of pointers to struct mtd_info objects @@ -276,9 +278,11 @@ concat_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs, return -EINVAL; /* Check alignment */ - if (mtd->oobblock > 1) - if ((to % mtd->oobblock) || (total_len % mtd->oobblock)) + if (mtd->oobblock > 1) { + loff_t __to = to; + if (do_div(__to, mtd->oobblock) || (total_len % mtd->oobblock)) return -EINVAL; + } /* make a copy of vecs */ vecs_copy = kmalloc(sizeof(struct kvec) * count, GFP_KERNEL); |