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-rw-r--r--drivers/mtd/ubi/cdev.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 0cdaf9fba7b..3e3449ec07f 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -437,7 +437,8 @@ static int vol_cdev_ioctl(struct inode *inode, struct file *file,
break;
}
- rsvd_bytes = vol->reserved_pebs * (ubi->leb_size-vol->data_pad);
+ rsvd_bytes = (long long)vol->reserved_pebs *
+ ubi->leb_size-vol->data_pad;
if (bytes < 0 || bytes > rsvd_bytes) {
err = -EINVAL;
break;