Fixed bug with fd leak in rc_calibration_check

src/modules/systemlib/rc_check.c

@@ -47,14 +47,12 @@
 #include <mavlink/mavlink_log.h>
 #include <uORB/topics/rc_channels.h>
 
-int rc_calibration_check(void) {
+int rc_calibration_check(int mavlink_fd) {
 
 	char nbuf[20];
 	param_t _parameter_handles_min, _parameter_handles_trim, _parameter_handles_max,
 	_parameter_handles_rev, _parameter_handles_dz;
 
-	int mavlink_fd = open(MAVLINK_LOG_DEVICE, 0);
-
 	float param_min, param_max, param_trim, param_rev, param_dz;
 
 	/* first check channel mappings */

src/modules/systemlib/rc_check.h

@@ -47,6 +47,6 @@
  * @return			0 / OK if RC calibration is ok, index + 1 of the first
  *				channel that failed else (so 1 == first channel failed)
  */
-__EXPORT int	rc_calibration_check(void);
+__EXPORT int	rc_calibration_check(int mavlink_fd);
 
 __END_DECLS