diff options
| -rw-r--r-- | drivers/block/ublk_drv.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index e38d4fe5e833..c3c0601db487 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -2030,7 +2030,14 @@ static void ublk_io_release(void *priv) struct ublk_queue *ubq = rq->mq_hctx->driver_data; struct ublk_io *io = &ubq->ios[rq->tag]; - ublk_put_req_ref(ubq, io, rq); + /* + * task_registered_buffers may be 0 if buffers were registered off task + * but unregistered on task. Or after UBLK_IO_COMMIT_AND_FETCH_REQ. + */ + if (current == io->task && io->task_registered_buffers) + io->task_registered_buffers--; + else + ublk_put_req_ref(ubq, io, rq); } static int ublk_register_io_buf(struct io_uring_cmd *cmd, |