diff options
Diffstat (limited to 'devices/src/virtio')
| -rw-r--r-- | devices/src/virtio/interrupt.rs | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/devices/src/virtio/interrupt.rs b/devices/src/virtio/interrupt.rs index dd17ba7..2715d12 100644 --- a/devices/src/virtio/interrupt.rs +++ b/devices/src/virtio/interrupt.rs @@ -2,7 +2,7 @@ // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. -use super::{INTERRUPT_STATUS_CONFIG_CHANGED, INTERRUPT_STATUS_USED_RING}; +use super::{INTERRUPT_STATUS_CONFIG_CHANGED, INTERRUPT_STATUS_USED_RING, VIRTIO_MSI_NO_VECTOR}; use crate::pci::MsixConfig; use std::sync::atomic::{AtomicUsize, Ordering}; use std::sync::Arc; @@ -40,7 +40,9 @@ impl Interrupt { if let Some(msix_config) = &self.msix_config { let mut msix_config = msix_config.lock(); if msix_config.enabled() { - msix_config.trigger(vector); + if vector != VIRTIO_MSI_NO_VECTOR { + msix_config.trigger(vector); + } return; } } |