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Diffstat (limited to 'src/drivers/px4io/px4io.cpp')
-rw-r--r--src/drivers/px4io/px4io.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/drivers/px4io/px4io.cpp b/src/drivers/px4io/px4io.cpp
index 4099e5522..972f45148 100644
--- a/src/drivers/px4io/px4io.cpp
+++ b/src/drivers/px4io/px4io.cpp
@@ -581,8 +581,10 @@ PX4IO::init()
ASSERT(_task == -1);
sys_restart_param = param_find("SYS_RESTART_TYPE");
- /* Indicate restart type is unknown */
- param_set(sys_restart_param, &sys_restart_val);
+ if (sys_restart_param != PARAM_INVALID) {
+ /* Indicate restart type is unknown */
+ param_set(sys_restart_param, &sys_restart_val);
+ }
/* do regular cdev init */
ret = CDev::init();