tests/candev: prevent deadlock when sending CAN messages without payload

2020-09-27 22:59:22 +02:00 · 2020-09-27 22:59:22 +02:00 · 4c2bc23a7a
commit 4c2bc23a7a
parent 680476c6a0
1 changed files with 3 additions and 0 deletions
--- a/tests/candev/main.c
+++ b/tests/candev/main.c
@ -112,6 +112,9 @@ static int _receive(int argc, char **argv)
                 ((uint32_t)buf[3]);
        isrpipe_read(&rxbuf, buf, 1);       /* can-dlc */
        can_dlc = buf[0];
+        if (can_dlc > 0) {
+            isrpipe_read(&rxbuf, buf, can_dlc); /* data */
+        }

        printf("id: %" PRIx32 " dlc: %" PRIx8 " Data: \n", can_id, can_dlc);
        for (int i = 0; i < can_dlc; i++) {