Check for node == NULL in xlat_validate_function_arg() (CID #1548367) (#5213)

diff --git a/src/lib/unlang/xlat_tokenize.c b/src/lib/unlang/xlat_tokenize.c
index 38ec2fbc4b9a4c4af78303e6a7e5addcddc4ad09..49e2ccebb0a81566bcaf3ad201d72f07fe1e1ac8 100644 (file)
--- a/src/lib/unlang/xlat_tokenize.c
+++ b/src/lib/unlang/xlat_tokenize.c
@@ -428,6 +428,8 @@ static int xlat_validate_function_arg(xlat_arg_parser_t const *arg_p, xlat_exp_t
 
        node = xlat_exp_head(arg->group);
 
+       if (!node) return -1;
+
        /*
         *      @todo - check arg_p->single, and complain.
         */