From: sunghan <sh924.chang@samsung.com>
Date: Wed, 22 Feb 2017 04:55:38 +0000 (+0900)
Subject: check a priority requested before filling tcb
X-Git-Tag: 1.1_Public_Release~658
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ae53bd9ff7a918640f1c10becf6f9580e35fa1dc;p=rtos%2Ftinyara.git

check a priority requested before filling tcb

Change-Id: Ie0787ea2ced7f5f07619fab8d57903283339b48f
---

diff --git a/os/kernel/task/task_setup.c b/os/kernel/task/task_setup.c
index ce7e115..ba0327d 100644
--- a/os/kernel/task/task_setup.c
+++ b/os/kernel/task/task_setup.c
@@ -354,6 +354,14 @@ static int thread_schedsetup(FAR struct tcb_s *tcb, int priority, start_t start,
 	if (ret == OK) {
 		/* Save task priority and entry point in the TCB */
 
+		if (priority < SCHED_PRIORITY_MIN) {
+			svdbg("WARNING: Requested priority is lower than min value (1)\n");
+			priority = SCHED_PRIORITY_MIN;
+		} else if (priority > SCHED_PRIORITY_MAX) {
+			svdbg("WARNING: Requested priority is higher than max value (255)\n");
+			priority = SCHED_PRIORITY_MAX;
+		}
+
 		tcb->sched_priority = (uint8_t)priority;
 #ifdef CONFIG_PRIORITY_INHERITANCE
 		tcb->base_priority = (uint8_t)priority;