msm: camera: reqmgr: Update log for shutdown

Add warn log to indicate shutdown has occurred.
Also decrement the open req count after successfully applying
a request.

Change-Id: I1b420dff52e016f52e19c5572824e4ed6f53744b
Signed-off-by: Karthik Anantha Ram <[email protected]>
Signed-off-by: Mukund Madhusudan Atre <[email protected]>

drivers/cam_req_mgr/cam_req_mgr_core.c

@@ -625,9 +625,6 @@ static int __cam_req_mgr_send_req(struct cam_req_mgr_core_link *link,
 					*failed_dev = dev;
 					break;
 				}
-
-				if (pd == link->max_delay)
-					link->open_req_cnt--;
 			}
 			trace_cam_req_mgr_apply_request(link, &apply_req, dev);
 		}
@@ -1260,6 +1257,7 @@ static int __cam_req_mgr_process_req(struct cam_req_mgr_core_link *link,
 				&idx, reset_step + 1,
 				in_q->num_slots);
 			__cam_req_mgr_reset_req_slot(link, idx);
+			link->open_req_cnt--;
 		}
 	}
 

drivers/cam_req_mgr/cam_req_mgr_dev.c

@@ -151,6 +151,8 @@ static int cam_req_mgr_close(struct file *filep)
 	struct v4l2_fh *vfh = filep->private_data;
 	struct v4l2_subdev_fh *subdev_fh = to_v4l2_subdev_fh(vfh);
 
+	CAM_WARN(CAM_CRM,
+		"release invoked associated userspace process has died");
 	mutex_lock(&g_dev.cam_lock);
 
 	if (g_dev.open_cnt <= 0) {