bus/vdev: fix uninitialized device bus

Device bus should be initialized after bus scan.
While it does not happened when scan vdev from secondary process,
that cause segment fault at rte_dev_probe when call dev->bus->xxx.

Fixes: cdb068f031c6 ("bus/vdev: scan by multi-process channel")
Cc: stable@dpdk.org
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>

diff --git a/drivers/bus/vdev/vdev.c b/drivers/bus/vdev/vdev.c
index 06f3148439356325402f6ddc405bf420a17b8957..688e31c212ec3a8ae1a26db8e5b253c90e073364 100644 (file)
--- a/drivers/bus/vdev/vdev.c
+++ b/drivers/bus/vdev/vdev.c
@@ -221,6 +221,7 @@ insert_vdev(const char *name, const char *args, struct rte_vdev_device **p_dev)
                goto fail;
        }
 
+       dev->device.bus = &rte_vdev_bus;
        dev->device.devargs = devargs;
        dev->device.numa_node = SOCKET_ID_ANY;
        dev->device.name = devargs->name;