/** * mei_release - the release function * * @inode: pointer to inode structure * @file: pointer to file structure * * Return: 0 on success, <0 on error */ static int mei_release(struct inode *inode, struct file *file) { struct mei_cl *cl = file->private_data; struct mei_device *dev; int rets; if (WARN_ON(!cl || !cl->dev)) return -ENODEV; dev = cl->dev; mutex_lock(&dev->device_lock); if (cl == &dev->iamthif_cl) { rets = mei_amthif_release(dev, file); goto out; } rets = mei_cl_disconnect(cl); mei_cl_flush_queues(cl, file); cl_dbg(dev, cl, "removing\n"); mei_cl_unlink(cl); file->private_data = NULL; kfree(cl); out: mutex_unlock(&dev->device_lock); return rets; }
/** * mei_release - the release function * * @inode: pointer to inode structure * @file: pointer to file structure * * returns 0 on success, <0 on error */ static int mei_release(struct inode *inode, struct file *file) { struct mei_cl *cl = file->private_data; struct mei_cl_cb *cb; struct mei_device *dev; int rets = 0; if (WARN_ON(!cl || !cl->dev)) return -ENODEV; dev = cl->dev; mutex_lock(&dev->device_lock); if (cl == &dev->iamthif_cl) { rets = mei_amthif_release(dev, file); goto out; } if (cl->state == MEI_FILE_CONNECTED) { cl->state = MEI_FILE_DISCONNECTING; dev_dbg(&dev->pdev->dev, "disconnecting client host client = %d, " "ME client = %d\n", cl->host_client_id, cl->me_client_id); rets = mei_cl_disconnect(cl); } mei_cl_flush_queues(cl); dev_dbg(&dev->pdev->dev, "remove client host client = %d, ME client = %d\n", cl->host_client_id, cl->me_client_id); mei_cl_unlink(cl); /* free read cb */ cb = NULL; if (cl->read_cb) { cb = mei_cl_find_read_cb(cl); /* Remove entry from read list */ if (cb) list_del(&cb->list); cb = cl->read_cb; cl->read_cb = NULL; } file->private_data = NULL; mei_io_cb_free(cb); kfree(cl); out: mutex_unlock(&dev->device_lock); return rets; }