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| author | Jason Wang <jasowang@redhat.com> | 2015-05-29 14:15:25 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2015-05-31 16:44:12 +0200 |
| commit | e83980455c8c7eb066405de512be7c4bace3ac4d (patch) | |
| tree | f7645a8c93fef52e18a3f5cf9a49265e22a0566e /hw/virtio/virtio.c | |
| parent | da51a335aa61ec0e45879d80f3c5e2ee4f87cd2f (diff) | |
| download | qemu-e83980455c8c7eb066405de512be7c4bace3ac4d.zip qemu-e83980455c8c7eb066405de512be7c4bace3ac4d.tar.gz qemu-e83980455c8c7eb066405de512be7c4bace3ac4d.tar.bz2 | |
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 <cornelia.huck@de.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Alexander Graf <agraf@suse.de>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/virtio/virtio.c')
| -rw-r--r-- | hw/virtio/virtio.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 96d9c6a..b50cbef 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -1323,7 +1323,12 @@ static void virtio_device_realize(DeviceState *dev, Error **errp) return; } } - virtio_bus_device_plugged(vdev); + + virtio_bus_device_plugged(vdev, &err); + if (err != NULL) { + error_propagate(errp, err); + return; + } } static void virtio_device_unrealize(DeviceState *dev, Error **errp) |