examples: Fix checking id parameter in thread_start

lthreads is of size MAX_THREADS, hence id must be lower than
MAX_THREADS to avoid any potential buffer overflow in
thread_start function.

Signed-off-by: Francois Berder <fberder@outlook.fr>

diff --git a/examples/standalone/sched.c b/examples/standalone/sched.c
index 57ae67e1a5bc39eeb748c226157f95a20ac6470b..64518c6890f8d015c1d4f8002a43cebeccec4902 100644 (file)
--- a/examples/standalone/sched.c
+++ b/examples/standalone/sched.c
@@ -261,9 +261,8 @@ static void thread_launcher (void)
 static int thread_start (int id)
 {
        PDEBUG ("thread_start: id=%d", id);
-       if (id <= MASTER_THREAD || id > MAX_THREADS) {
+       if (id <= MASTER_THREAD || id >= MAX_THREADS)
                return RC_FAILURE;
-       }
 
        if (lthreads[id].state != STATE_STOPPED)
                return RC_FAILURE;