diff --git a/drivers/misc/qseecom.c b/drivers/misc/qseecom.c
index 79f5c7843fdca844143704d7905015e08e192473..facd7131c63817033fd517e21e9ba2281bd56cd0 100644
--- a/drivers/misc/qseecom.c
+++ b/drivers/misc/qseecom.c
@@ -6517,7 +6517,11 @@ long qseecom_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 			break;
 		}
 		pr_debug("SET_MEM_PARAM: qseecom addr = 0x%pK\n", data);
+		mutex_lock(&app_access_lock);
+		atomic_inc(&data->ioctl_count);
 		ret = qseecom_set_client_mem_param(data, argp);
+		atomic_dec(&data->ioctl_count);
+		mutex_unlock(&app_access_lock);
 		if (ret)
 			pr_err("failed Qqseecom_set_mem_param request: %d\n",
 								ret);