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devices: fix attach count for vhost-user-blk

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Commit affd6e3216 ("devices: add reference
count for devices.") introduced an attach count for devices.  The
vhost-user-blk device increments the counter instead of decrementing it
when detaching.

Fixes: #1259
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2019-02-20 14:55:12 +00:00
parent 22cee2d0cd
commit 46e2f885af
1 changed files with 1 additions and 1 deletions
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2
virtcontainers/device/drivers/vhost_user_blk.go
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@ -56,7 +56,7 @@ func (device *VhostUserBlkDevice) Attach(devReceiver api.DeviceReceiver) (err er
// Detach is standard interface of api.Device, it's used to remove device from some // Detach is standard interface of api.Device, it's used to remove device from some
// DeviceReceiver // DeviceReceiver
func (device *VhostUserBlkDevice) Detach(devReceiver api.DeviceReceiver) error { func (device *VhostUserBlkDevice) Detach(devReceiver api.DeviceReceiver) error {
skip, err := device.bumpAttachCount(true) skip, err := device.bumpAttachCount(false)
if err != nil { if err != nil {
return err return err
} }