diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 59e2adb85946..47fb5b513248 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3384,7 +3384,8 @@ static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return 0;
 }
 
-static bool valid_floppy_drive_params(const short autodetect[8])
+static bool valid_floppy_drive_params(const short autodetect[8],
+		int native_format)
 {
 	size_t floppy_type_size = ARRAY_SIZE(floppy_type);
 	size_t i = 0;
@@ -3395,6 +3396,9 @@ static bool valid_floppy_drive_params(const short autodetect[8])
 			return false;
 	}
 
+	if (native_format < 0 || native_format >= floppy_type_size)
+		return false;
+
 	return true;
 }
 
@@ -3524,7 +3528,8 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int
 		SUPBOUND(size, strlen((const char *)outparam) + 1);
 		break;
 	case FDSETDRVPRM:
-		if (!valid_floppy_drive_params(inparam.dp.autodetect))
+		if (!valid_floppy_drive_params(inparam.dp.autodetect,
+				inparam.dp.native_format))
 			return -EINVAL;
 		*UDP = inparam.dp;
 		break;
@@ -3723,7 +3728,7 @@ static int compat_setdrvprm(int drive,
 		return -EPERM;
 	if (copy_from_user(&v, arg, sizeof(struct compat_floppy_drive_params)))
 		return -EFAULT;
-	if (!valid_floppy_drive_params(v.autodetect))
+	if (!valid_floppy_drive_params(v.autodetect, v.native_format))
 		return -EINVAL;
 	mutex_lock(&floppy_mutex);
 	UDP->cmos = v.cmos;