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| author | weiping zhang <zwp10758@gmail.com> | 2017-11-29 04:23:01 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-16 12:33:48 +0300 |
| commit | 94739ddf35cba7c4002489f212186010888b421e (patch) | |
| tree | 8e98040141fa2bfc5aa095fbaa6e670051fe31e3 | |
| parent | d73fcef16da050b6a6db8c86d8f4a69836d9b5e7 (diff) | |
| download | linux-94739ddf35cba7c4002489f212186010888b421e.tar.xz | |
virtio: release virtio index when fail to device_register
commit e60ea67bb60459b95a50a156296041a13e0e380e upstream.
index can be reused by other virtio device.
Signed-off-by: weiping zhang <zhangweiping@didichuxing.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/virtio/virtio.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 7062bb0975a5..462e183609b6 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -323,6 +323,8 @@ int register_virtio_device(struct virtio_device *dev) /* device_register() causes the bus infrastructure to look for a * matching driver. */ err = device_register(&dev->dev); + if (err) + ida_simple_remove(&virtio_index_ida, dev->index); out: if (err) add_status(dev, VIRTIO_CONFIG_S_FAILED); |