This patch avoids that gcc 7 issues a warning about fall-through when building with W=1. Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxx> Cc: Paolo Valente <paolo.valente@xxxxxxxxxx> --- block/bfq-iosched.c | 1 + 1 file changed, 1 insertion(+) diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 6a7a26b6cec1..8c11c2e827a5 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -3780,6 +3780,7 @@ bfq_set_next_ioprio_data(struct bfq_queue *bfqq, struct bfq_io_cq *bic) default: dev_err(bfqq->bfqd->queue->backing_dev_info->dev, "bfq: bad prio class %d\n", ioprio_class); + /* fall through */ case IOPRIO_CLASS_NONE: /* * No prio set, inherit CPU scheduling settings. -- 2.14.1