[Qemu-devel] [PATCH 2/6] msi: Guard msi_reset with msi_present

[Jan Kiszka]

From: Jan Kiszka <address@hidden>

Signed-off-by: Jan Kiszka <address@hidden>
---
 hw/msi.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/hw/msi.c b/hw/msi.c
index 541e4e1..612b168 100644
--- a/hw/msi.c
+++ b/hw/msi.c
@@ -183,6 +183,10 @@ void msi_reset(PCIDevice *dev)
     uint16_t flags;
     bool msi64bit;
 
+    if (!msi_present(dev)) {
+        return;
+    }
+
     flags = pci_get_word(dev->config + msi_flags_off(dev));
     flags &= ~(PCI_MSI_FLAGS_QSIZE | PCI_MSI_FLAGS_ENABLE);
     msi64bit = flags & PCI_MSI_FLAGS_64BIT;
-- 
1.7.3.4