Fix `tinc get Subnet` failing.

[tinc] / src / tincctl.c

diff --git a/src/tincctl.c b/src/tincctl.c
index ec43469..f2b587c 100644 (file)
--- a/src/tincctl.c
+++ b/src/tincctl.c
@@ -1931,11 +1931,12 @@ static int cmd_config(int argc, char *argv[]) {
                found = true;
                variable = (char *)variables[i].name;
 
-               if(!strcasecmp(variable, "Subnet")) {
+               if(!strcasecmp(variable, "Subnet") && *value) {
                        subnet_t s = {0};
 
                        if(!str2net(&s, value)) {
                                fprintf(stderr, "Malformed subnet definition %s\n", value);
+                               return 1;
                        }
 
                        if(!subnetcheck(s)) {