From: Frank Mori Hess <fmhess@speakeasy.net>
Date: Fri, 14 Mar 2008 17:52:20 +0000 (+0000)
Subject: Allow comedi_cleanup_calibration to accept a NULL argument.
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=e0b0b89338bb17e69b53aa77dde4019682b18177;p=comedilib.git

Allow comedi_cleanup_calibration to accept a NULL argument.
---

diff --git a/lib/calib_yacc.y b/lib/calib_yacc.y
index f8725c7..5c256a8 100644
--- a/lib/calib_yacc.y
+++ b/lib/calib_yacc.y
@@ -263,6 +263,7 @@ static comedi_calibration_t* alloc_calib_parse( void )
 EXPORT_ALIAS_DEFAULT(_comedi_cleanup_calibration,comedi_cleanup_calibration,0.7.20);
 extern void _comedi_cleanup_calibration( comedi_calibration_t *file_contents )
 {
+	if(file_contents == NULL) return;
 	if( file_contents->driver_name )
 	{
 		free( file_contents->driver_name );