--- Linux-NBD/NBD.xs	2010/09/21 11:31:05	1.6
+++ Linux-NBD/NBD.xs	2010/09/21 11:51:55	1.7
@@ -125,10 +125,10 @@
               XSRETURN_UNDEF; /* should req->error */
 
             s->data_read = 0;
-          }
 
-        if (s->req_read < sizeof (struct nbd_request))
-          XSRETURN_NO;
+            if (s->req_read < sizeof (struct nbd_request))
+              XSRETURN_NO;
+          }
 
         /* now we have a full request, so check for data */
         if (s->req.magic != htonl (NBD_REQUEST_MAGIC))
@@ -158,10 +158,10 @@
                     XSRETURN_UNDEF; /* should req->eof */
                   else if (errno != EAGAIN && errno != EWOULDBLOCK)
                     XSRETURN_UNDEF; /* should req->error */
-                }
 
-              if (s->data_read < len)
-                XSRETURN_NO;
+                  if (s->data_read < len)
+                    XSRETURN_NO;
+                }
 
               /* fallthrough */
             case NBD_CMD_READ: