vfio: don't display error if no pci devices are assigned to container
linux_vfio_main_t vfio_main;
static int
-map_regions (vlib_main_t * vm, int fd)
+vfio_map_regions (vlib_main_t * vm, int fd)
{
vlib_physmem_main_t *vpm = &physmem_main;
linux_vfio_main_t *lvm = &vfio_main;
@@ -58,7 +58,8 @@ map_regions (vlib_main_t * vm, int fd)
vlib_log_debug (lvm->log_default, "map DMA va:0x%lx iova:%lx "
"size:0x%lx", dm.vaddr, dm.iova, dm.size);
- if ((rv = ioctl (fd, VFIO_IOMMU_MAP_DMA, &dm)))
+ if ((rv = ioctl (fd, VFIO_IOMMU_MAP_DMA, &dm)) &&
+ errno != EINVAL)
{
vlib_log_err (lvm->log_default, "map DMA va:0x%lx iova:%lx "
"size:0x%lx failed, error %s (errno %d)",
@@ -78,7 +79,7 @@ linux_vfio_dma_map_regions (vlib_main_t * vm)
linux_vfio_main_t *lvm = &vfio_main;
if (lvm->container_fd != -1)
- map_regions (vm, lvm->container_fd);
+ vfio_map_regions (vm, lvm->container_fd);
}
static linux_pci_vfio_iommu_group_t *
