We never tries to use used length, so the patch prevents the virtio
core from validating used length.
Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
---
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 10bc0879e618..6f19dcb7c3aa 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -1010,6 +1010,7 @@ 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),
+ .suppress_used_validation = true,
.driver.name = KBUILD_MODNAME,
.driver.owner = THIS_MODULE,
.id_table = id_table,
--
2.25.1
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