Hi all, After merging the net-next tree, today's linux-next build (x86_64 allmodconfig) produced this warning: drivers/net/ethernet/rocker/rocker_main.c: In function 'rocker_port_attr_set': drivers/net/ethernet/rocker/rocker_main.c:2083:9: warning: this statement may fall through [-Wimplicit-fallthrough=] err = rocker_world_port_attr_pre_bridge_flags_set(rocker_port, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ attr->u.brport_flags, ~~~~~~~~~~~~~~~~~~~~~ trans); ~~~~~~ drivers/net/ethernet/rocker/rocker_main.c:2086:2: note: here case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS: ^~~~ Introduced by commit 93700458ff63 ("rocker: Check Handle PORT_PRE_BRIDGE_FLAGS") I get this warning because I am building with -Wimplicit-fallthrough in attempt to catch new additions early. The gcc warning can be turned off by adding a /* fall through */ comment at the point the fall through happens (assuming that the fall through is intentional). -- Cheers, Stephen Rothwell