nvme: fix per-namespace chardev deletion

Decrease reference count of chardevice during char device deletion in
order to fix a memory leak.  Add a release callabck for the device
associated chardev and move ida_simple_remove into the release function.

Fixes: 2637baed7801 ("nvme: introduce generic per-namespace chardev")
Reported-by: Yi Zhang <[email protected]>
Suggested-by: Sagi Grimberg <[email protected]>
Signed-off-by: Adam Manzanares <[email protected]>
Reviewed-by: Javier González <[email protected]>
Tested-by: Yi Zhang <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>

0 files changed, 0 insertions, 0 deletions