diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-ctrls.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ctrls.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c index b79d3bbd8350..54d66dbc2a31 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls.c +++ b/drivers/media/v4l2-core/v4l2-ctrls.c @@ -3899,18 +3899,19 @@ void v4l2_ctrl_request_complete(struct media_request *req, } EXPORT_SYMBOL(v4l2_ctrl_request_complete); -void v4l2_ctrl_request_setup(struct media_request *req, +int v4l2_ctrl_request_setup(struct media_request *req, struct v4l2_ctrl_handler *main_hdl) { struct media_request_object *obj; struct v4l2_ctrl_handler *hdl; struct v4l2_ctrl_ref *ref; + int ret = 0; if (!req || !main_hdl) - return; + return 0; if (WARN_ON(req->state != MEDIA_REQUEST_STATE_QUEUED)) - return; + return -EBUSY; /* * Note that it is valid if nothing was found. It means @@ -3919,10 +3920,10 @@ void v4l2_ctrl_request_setup(struct media_request *req, */ obj = media_request_object_find(req, &req_ops, main_hdl); if (!obj) - return; + return 0; if (obj->completed) { media_request_object_put(obj); - return; + return -EBUSY; } hdl = container_of(obj, struct v4l2_ctrl_handler, req_obj); @@ -3990,12 +3991,15 @@ void v4l2_ctrl_request_setup(struct media_request *req, update_from_auto_cluster(master); } - try_or_set_cluster(NULL, master, true, 0); - + ret = try_or_set_cluster(NULL, master, true, 0); v4l2_ctrl_unlock(master); + + if (ret) + break; } media_request_object_put(obj); + return ret; } EXPORT_SYMBOL(v4l2_ctrl_request_setup); |