qseecom: Check for case where listener service is not found



When listerner service is not in the list of registered listener,
the resulting ptr will a NULL.  Check for this case of NULL ptr
to indicate missing listener service.

Change-Id: I0d2c7b01143c40711f71bf434493ac5301314cf2
Signed-off-by: Mona Hossain <mhossain@codeaurora.org>

parent d6e87cbf

drivers/misc/qseecom.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -646,6 +646,11 @@ static int __qseecom_process_incomplete_cmd(struct qseecom_dev_handle *data,
		}
		spin_unlock_irqrestore(&qseecom.registered_listener_list_lock,
		flags);

		if (ptr_svc == NULL) {
		pr_err("Listener Svc %d does not exist\n", lstnr);
		return -EINVAL;
		}
		if (ptr_svc->svc.listener_id != lstnr) {
		pr_warning("Service requested for does on exist\n");
		return -ERESTARTSYS;