[PATCH v3 17/38] virtio_config: disallow native type fields

Michael S. Tsirkin
2020-08-05T17:14:22Z

Transitional devices should all use __virtioXX types (and __leXX for
fields not present in legacy devices).
Modern ones should use __leXX.
_uXX type would be a bug.
Let's prevent that.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
include/linux/virtio_config.h | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index 64da491936f7..c68f58f3bf34 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -319,9 +319,8 @@ static inline __virtio64 cpu_to_virtio64(struct virtio_device *vdev, u64 val)
__virtio_pick_type(x, __u8, __u8, \
__virtio_pick_endian(x, __virtio16, __virtio32, __virtio64, \
__virtio_pick_endian(x, __le16, __le32, __le64, \
- __virtio_pick_endian(x, __u16, __u32, __u64, \
- /* No other type allowed */ \
- (void)0)))))
+ /* No other type allowed */ \
+ (void)0))))

#endif

--
MST