tmpl_expand returns signed value

diff --git a/src/modules/rlm_mschap/auth_wbclient.c b/src/modules/rlm_mschap/auth_wbclient.c
index a5c0047841199083f4c0da453bcc88b043c69992..1def66547aea62360023a66a94013596aff349df 100644 (file)
--- a/src/modules/rlm_mschap/auth_wbclient.c
+++ b/src/modules/rlm_mschap/auth_wbclient.c
@@ -92,7 +92,7 @@ int do_auth_wbclient(rlm_mschap_t const *inst, REQUEST *request,
        struct                          wbcContext *wb_ctx = NULL;
        struct                          wbcAuthUserParams authparams;
        wbcErr                          err;
-       size_t                          len;
+       ssize_t                         slen;
        struct wbcAuthUserInfo          *info = NULL;
        struct wbcAuthErrorInfo         *error = NULL;
        char                            user_name_buf[500];
@@ -114,17 +114,17 @@ int do_auth_wbclient(rlm_mschap_t const *inst, REQUEST *request,
        /*
         * Get the username and domain from the configuration
         */
-       len = tmpl_expand(&authparams.account_name, user_name_buf, sizeof(user_name_buf),
-                         request, inst->wb_username, NULL, NULL);
-       if (len < 0) {
+       slen = tmpl_expand(&authparams.account_name, user_name_buf, sizeof(user_name_buf),
+                          request, inst->wb_username, NULL, NULL);
+       if (slen < 0) {
                REDEBUG2("Unable to expand winbind_username");
                goto finish;
        }
 
        if (inst->wb_domain) {
-               len = tmpl_expand(&authparams.domain_name, domain_name_buf, sizeof(domain_name_buf),
-                                 request, inst->wb_domain, NULL, NULL);
-               if (len < 0) {
+               slen = tmpl_expand(&authparams.domain_name, domain_name_buf, sizeof(domain_name_buf),
+                                  request, inst->wb_domain, NULL, NULL);
+               if (slen < 0) {
                        REDEBUG2("Unable to expand winbind_domain");
                        goto finish;
                }