From: Bart Van Assche <bart.vanassche@wdc.com>
Date: Wed, 30 Aug 2017 18:42:07 +0000 (-0700)
Subject: bfq: Annotate fall-through in a switch statement
X-Git-Tag: v4.14-rc1~81^2~20
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=fa393d1b9c6326c227a24915a6f00721a288bde9;p=linux.git

bfq: Annotate fall-through in a switch statement

This patch avoids that gcc 7 issues a warning about fall-through
when building with W=1.

Acked-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 8f3d22330d64..856f4199a470 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.