[PATCH V2 11/12] virtio-blk: don't let virtio core to validate used length

Jason Wang
Tue, 12 Oct 2021 06:52:26 -0000

We never tries to use used length, so the patch prevents the virtio
core from validating used length.

Signed-off-by: Jason Wang <jasowang at redhat.com>
---
 drivers/block/virtio_blk.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 9deff01a38cb..12f95fb6967e 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -1007,6 +1007,7 @@ static struct virtio_driver virtio_blk = {
 	.feature_table_size		= ARRAY_SIZE(features),
 	.feature_table_legacy		= features_legacy,
 	.feature_table_size_legacy	= ARRAY_SIZE(features_legacy),
+	.validate_used			= true,
 	.driver.name			= KBUILD_MODNAME,
 	.driver.owner			= THIS_MODULE,
 	.id_table			= id_table,
--
2.25.1