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[Qemu-devel] [PATCH] vfio/pci-quirks: Exclude non-ioport BAR from NVIDIA
From: |
Alex Williamson |
Subject: |
[Qemu-devel] [PATCH] vfio/pci-quirks: Exclude non-ioport BAR from NVIDIA quirk |
Date: |
Wed, 05 Apr 2017 14:34:02 -0600 |
User-agent: |
StGit/0.17.1-dirty |
The NVIDIA BAR5 quirk is targeting an ioport BAR. Some older devices
have a BAR5 which is not ioport and can induce a segfault here. Test
the BAR type to skip these devices.
Link: https://bugs.launchpad.net/qemu/+bug/1678466
Signed-off-by: Alex Williamson <address@hidden>
---
hw/vfio/pci-quirks.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/vfio/pci-quirks.c b/hw/vfio/pci-quirks.c
index e9b493b939db..349085ea12bc 100644
--- a/hw/vfio/pci-quirks.c
+++ b/hw/vfio/pci-quirks.c
@@ -660,7 +660,7 @@ static void vfio_probe_nvidia_bar5_quirk(VFIOPCIDevice
*vdev, int nr)
VFIOConfigWindowQuirk *window;
if (!vfio_pci_is(vdev, PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID) ||
- !vdev->vga || nr != 5) {
+ !vdev->vga || nr != 5 || !vdev->bars[5].ioport) {
return;
}
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