make sure credentials are loaded

diff --git a/org.glite.lbjp-common.gss/src/glite_gss.c b/org.glite.lbjp-common.gss/src/glite_gss.c
index bae85f8..f77c3c3 100644 (file)
--- a/org.glite.lbjp-common.gss/src/glite_gss.c
+++ b/org.glite.lbjp-common.gss/src/glite_gss.c
@@ -828,6 +828,9 @@ edg_wll_gss_accept(edg_wll_GssCred cred, int sock, struct timeval *timeout,
    maj_stat = min_stat = min_stat2 = 0;
    memset(connection, 0, sizeof(*connection));
 
+   if (cred == NULL)
+       return EINVAL;
+
    /* GSI specific */
    ret_flags = GSS_C_GLOBUS_SSL_COMPATIBLE;