set file descriptor to -1 after close()

PX4 · Sep 30, 2024 · b89db55 · b89db55
1 parent 28d960f
commit b89db55
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/drivers/cdcacm_autostart/cdcacm_autostart.cpp b/src/drivers/cdcacm_autostart/cdcacm_autostart.cpp
@@ -76,6 +76,7 @@ CdcAcmAutostart::~CdcAcmAutostart()
 
 	if (_ttyacm_fd >= 0) {
 		px4_close(_ttyacm_fd);
+		_ttyacm_fd = -1;
 	}
 
 	ScheduleClear();
@@ -344,6 +345,7 @@ void CdcAcmAutostart::state_disconnecting()
 
 	if (_ttyacm_fd > 0) {
 		px4_close(_ttyacm_fd);
+		_ttyacm_fd = -1;
 	}
 
 	// Disconnect serial