workaround munlock() failing)

Author: sy-c

arch/linux_x86_uio/dma_buffer_inc.c

@@ -863,7 +863,11 @@ DMABuffer_free
             }
 
             if(munlock(buffer->map, buffer->length) != 0)
-            { ERROR_EXIT( errno, exit, "Buffer unlocking failed!\n" ); }
+            {
+	    // report, but continue with release procedure even if unlock fails
+	    //ERROR_EXIT( errno, exit, "Buffer unlocking failed!\n" ); 
+	    ERROR( errno, "Buffer unlocking failed!\n" );}
+	    }
 
             buffer->map = MAP_FAILED;
             persistant  = PDA_DELETE;