From e83980455c8c7eb066405de512be7c4bace3ac4d Mon Sep 17 00:00:00 2001 From: Jason Wang Date: Fri, 29 May 2015 14:15:25 +0800 Subject: virtio: device_plugged() can fail This patch passes error pointer to transport specific device_plugged() callback. Through this way, device_plugged() can do some transport specific check and fail. This will be uesd by following patches that check the number of virtqueues against the transport limitation. Cc: Cornelia Huck Cc: Christian Borntraeger Cc: Richard Henderson Cc: Alexander Graf Signed-off-by: Jason Wang Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/virtio/virtio-bus.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'hw/virtio/virtio-bus.c') diff --git a/hw/virtio/virtio-bus.c b/hw/virtio/virtio-bus.c index fac452bd1d..3926f7ee1e 100644 --- a/hw/virtio/virtio-bus.c +++ b/hw/virtio/virtio-bus.c @@ -38,7 +38,7 @@ do { printf("virtio_bus: " fmt , ## __VA_ARGS__); } while (0) #endif /* A VirtIODevice is being plugged */ -int virtio_bus_device_plugged(VirtIODevice *vdev) +void virtio_bus_device_plugged(VirtIODevice *vdev, Error **errp) { DeviceState *qdev = DEVICE(vdev); BusState *qbus = BUS(qdev_get_parent_bus(qdev)); @@ -49,13 +49,12 @@ int virtio_bus_device_plugged(VirtIODevice *vdev) DPRINTF("%s: plug device.\n", qbus->name); if (klass->device_plugged != NULL) { - klass->device_plugged(qbus->parent); + klass->device_plugged(qbus->parent, errp); } /* Get the features of the plugged device. */ assert(vdc->get_features != NULL); vdev->host_features = vdc->get_features(vdev, vdev->host_features); - return 0; } /* Reset the virtio_bus */ -- cgit v1.2.3