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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 12:32:26 +0300 |
| commit | 08fa6f2e23c519cefbf03d27731e04babf076cb4 (patch) | |
| tree | 6cc6d178ab1a59a28e623142f02aabcdc79e5f0e /drivers/virtio | |
| parent | 7983427599c456b1ff68d5571d98c8b3d7982757 (diff) | |
| download | linux-08fa6f2e23c519cefbf03d27731e04babf076cb4.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>
Diffstat (limited to 'drivers/virtio')
| -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 df598dd8c5c8..8097e30fb49b 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -268,6 +268,8 @@ 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); |