one more oops (when global variables need substitutions)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6666 65c4cc65-6c06-0410-ace0-fbb531ad65f3
20 years ago · 02c80ab20b
parent 5156c0621f
commit 02c80ab20b
1 changed files with 1 additions and 1 deletions
--- a/pbx.c
+++ b/pbx.c
@ -1557,7 +1557,7 @@ static void pbx_substitute_variables_helper_full(struct ast_channel *c, struct v

 void pbx_substitute_variables_helper(struct ast_channel *c, const char *cp1, char *cp2, int count)
 {
-	pbx_substitute_variables_helper_full(c, &c->varshead, cp1, cp2, count);
+	pbx_substitute_variables_helper_full(c, (c) ? &c->varshead : NULL, cp1, cp2, count);
 }

 void pbx_substitute_variables_varshead(struct varshead *headp, const char *cp1, char *cp2, int count)