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dataman: fix test for return value of px4_task_spawn_cmd

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And destroy the semaphore if startup fails.

Credits for finding this go to @jeonghwan-lee
This commit is contained in:
Beat Küng
2017-09-04 11:04:17 +02:00
committed by Lorenz Meier
parent 694de32740
commit c82deaf26f
1 changed files with 3 additions and 2 deletions
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src/modules/dataman/dataman.cpp
+3 -2
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@@ -1453,8 +1453,9 @@ start()
px4_sem_setprotocol(&g_init_sema, SEM_PRIO_NONE);
/* start the worker thread with low priority for disk IO */
if ((task = px4_task_spawn_cmd("dataman", SCHED_DEFAULT, SCHED_PRIORITY_DEFAULT - 10, 1200, task_main, nullptr)) <= 0) {
warn("task start failed");
if ((task = px4_task_spawn_cmd("dataman", SCHED_DEFAULT, SCHED_PRIORITY_DEFAULT - 10, 1200, task_main, nullptr)) < 0) {
px4_sem_destroy(&g_init_sema);
PX4_ERR("task start failed");
return -1;
}