On Thu, Apr 03, 2014 at 01:18:23PM +0800, arei.gong...@huawei.com wrote:
> 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>
Reviewed-by: Michael S. Tsirkin <m...@redhat.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
>
>
