Smatch warning on master linux-3.1: CONFIG_BATMAN_ADV_DAT=n CONFIG_BATMAN_ADV_BLA=y CONFIG_BATMAN_ADV_DEBUG=n

/home/batman/build_test/tmp/originator.c:492 orig_node_add_if() warn: returning -1 instead of -ENOMEM is sloppy /home/batman/build_test/tmp/originator.c:501 orig_node_add_if() warn: returning -1 instead of -ENOMEM is sloppy /home/batman/build_test/tmp/originator.c:558 orig_node_del_if() warn: returning -1 instead of -ENOMEM is sloppy /home/batman/build_test/tmp/originator.c:577 orig_node_del_if() warn: returning -1 instead of -ENOMEM is sloppy /home/batman/build_test/tmp/vis.c:629 generate_vis_packet() info: why not propagate 'best_tq' from find_best_vis_server() instead of -1?