vfio/mdev: Avoid release parent reference during error path

During mdev parent registration in mdev_register_device(),
if parent device is duplicate, it releases the reference of existing
parent device.
This is incorrect. Existing parent device should not be touched.

Fixes: 7b96953bc640 ("vfio: Mediated device Core driver")
Reviewed-by: Cornelia Huck <[email protected]>
Reviewed-by: Kirti Wankhede <[email protected]>
Reviewed-by: Maxim Levitsky <[email protected]>
Signed-off-by: Parav Pandit <[email protected]>
Signed-off-by: Alex Williamson <[email protected]>

0 files changed, 0 insertions, 0 deletions