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-rw-r--r--drivers/mtd/mtdcore.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index cb7ca38d07..89ac8229f5 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -1051,13 +1051,13 @@ static int mtd_check_oob_ops(struct mtd_info *mtd, loff_t offs,
return -EINVAL;
if (ops->ooblen) {
- u64 maxooblen;
+ size_t maxooblen;
if (ops->ooboffs >= mtd_oobavail(mtd, ops))
return -EINVAL;
- maxooblen = ((mtd_div_by_ws(mtd->size, mtd) -
- mtd_div_by_ws(offs, mtd)) *
+ maxooblen = ((size_t)(mtd_div_by_ws(mtd->size, mtd) -
+ mtd_div_by_ws(offs, mtd)) *
mtd_oobavail(mtd, ops)) - ops->ooboffs;
if (ops->ooblen > maxooblen)
return -EINVAL;