From: Cao jin <caoj.f...@cn.fujitsu.com>
CC: Markus Armbruster <arm...@redhat.com>
CC: Marcel Apfelbaum <mar...@redhat.com>
CC: Michael S. Tsirkin <m...@redhat.com>
Reviewed-by: Markus Armbruster <arm...@redhat.com>
Acked-by: Marcel Apfelbaum <mar...@redhat.com>
Signed-off-by: Cao jin <caoj.f...@cn.fujitsu.com>
Reviewed-by: Michael S. Tsirkin <m...@redhat.com>
Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
---
hw/pci/msix.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/hw/pci/msix.c b/hw/pci/msix.c
index ee1714d..c938a9b 100644
--- a/hw/pci/msix.c
+++ b/hw/pci/msix.c
@@ -447,8 +447,10 @@ void msix_notify(PCIDevice *dev, unsigned vector)
{
MSIMessage msg;
- if (vector >= dev->msix_entries_nr || !dev->msix_entry_used[vector])
+ if (vector >= dev->msix_entries_nr || !dev->msix_entry_used[vector]) {
return;
+ }
+
if (msix_is_masked(dev, vector)) {
msix_set_pending(dev, vector);
return;
@@ -483,8 +485,10 @@ void msix_reset(PCIDevice *dev)
/* Mark vector as used. */
int msix_vector_use(PCIDevice *dev, unsigned vector)
{
- if (vector >= dev->msix_entries_nr)
+ if (vector >= dev->msix_entries_nr) {
return -EINVAL;
+ }
+
dev->msix_entry_used[vector]++;
return 0;
}
--
MST
