diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index abdd1b2..327e470 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -1406,9 +1406,9 @@
         {
             struct sockaddr_hci *addr = (struct sockaddr_hci *)addr_ret;
 #if defined(__NetBSD__) || defined(__DragonFly__)
-			char *straddr = PyBytes_AS_STRING(args);
+                        char *straddr = PyBytes_AS_STRING(args);
 
-			_BT_HCI_MEMB(addr, family) = AF_BLUETOOTH;
+                        _BT_HCI_MEMB(addr, family) = AF_BLUETOOTH;
             if (straddr == NULL) {
                 PyErr_SetString(socket_error, "getsockaddrarg: "
                     "wrong format");
@@ -4022,8 +4022,10 @@
         pptr = pbuf;
     } else if (PyUnicode_Check(pobj)) {
         pptr = _PyUnicode_AsString(pobj);
+        if (pptr == NULL)
+            goto err;
     } else if (PyBytes_Check(pobj)) {
-        pptr = PyBytes_AsString(pobj);
+        pptr = PyBytes_AS_STRING(pobj);
     } else if (pobj == Py_None) {
         pptr = (char *)NULL;
     } else {