Merge tag 'mfd-fixes-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

[karo-tx-linux.git] / drivers / mtd / ubi / io.c

diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index 5bbd1f094f4e33dca9c7ad3dca3edc7736b7e0bb..1fc23e48fe8e49fc947c972cca179399a60a37ec 100644 (file)
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -926,6 +926,11 @@ static int validate_vid_hdr(const struct ubi_device *ubi,
                goto bad;
        }
 
+       if (data_size > ubi->leb_size) {
+               ubi_err(ubi, "bad data_size");
+               goto bad;
+       }
+
        if (vol_type == UBI_VID_STATIC) {
                /*
                 * Although from high-level point of view static volumes may