From: Gonglei <arei.gong...@huawei.com>
when map MSI-X table memory failed, the dev->msix_table not be
set to NULL, the assigned_dev_unregister_msix_mmio() will case
a segfault when munmap the failed dev->msix_table.
Signed-off-by: Gonglei <arei.gong...@huawei.com>
---
hw/i386/kvm/pci-assign.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/i386/kvm/pci-assign.c b/hw/i386/kvm/pci-assign.c
index a825871..570333f 100644
--- a/hw/i386/kvm/pci-assign.c
+++ b/hw/i386/kvm/pci-assign.c
@@ -1608,6 +1608,7 @@ static int assigned_dev_register_msix_mmio(AssignedDevice
*dev)
MAP_ANONYMOUS|MAP_PRIVATE, 0, 0);
if (dev->msix_table == MAP_FAILED) {
error_report("fail allocate msix_table! %s", strerror(errno));
+ dev->msix_table = NULL;
return -EFAULT;
}
--
1.7.12.4
