Merge pull request #1289 from hermit-os/flags_avail-fixup

fix(virtqueue/packed): set flags according to wrap count
hermit-os · Jun 20, 2024 · c41204e · c41204e
2 parents 9fd9dcd + 4e20fb2
commit c41204e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/drivers/virtio/virtqueue/packed.rs b/src/drivers/virtio/virtqueue/packed.rs
@@ -772,7 +772,8 @@ impl<'a> WriteCtrl<'a> {
  desc_ref.id = (self.buff_id).into();
  // Remove possibly set avail and used flags and then set avail and used
  // according to the current WrapCount.
- desc_ref.flags = flags - virtq::DescF::AVAIL - virtq::DescF::USED;
+ desc_ref.flags = (flags - virtq::DescF::AVAIL - virtq::DescF::USED)
+ | self.desc_ring.drv_wc.as_flags_avail();
 
  self.incrmt()
  }