s3-spoolss: Fixed a possible segfault in winreg_get_printer.

diff --git a/source3/rpc_server/srv_spoolss_util.c b/source3/rpc_server/srv_spoolss_util.c
index 603a0b270239379452d84719135b9628c17e9942..768171a2772ab62c4e35c8a681deeeaeb85f303e 100644 (file)
--- a/source3/rpc_server/srv_spoolss_util.c
+++ b/source3/rpc_server/srv_spoolss_util.c
@@ -2140,7 +2140,7 @@ WERROR winreg_get_printer(TALLOC_CTX *mem_ctx,
        }
 
        /* Create the printername */
-       if (info2->servername[0] != '\0') {
+       if (info2->servername != NULL && info2->servername[0] != '\0') {
                if (lp_force_printername(snum)) {
                        const char *p = talloc_asprintf(info2, "%s\\%s",
                                                        info2->servername,