linux-kernel - [PATCH] block/loop: mark expected switch fall-through

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Date:   Mon, 2 Jul 2018 12:52:06 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH] block/loop: mark expected switch fall-through

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 drivers/block/loop.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index d6b6f43..ac47c23 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1611,6 +1611,7 @@ static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode,
 	case LOOP_GET_STATUS64:
 	case LOOP_SET_STATUS64:
 		arg = (unsigned long) compat_ptr(arg);
+		/* fall through */
 	case LOOP_SET_FD:
 	case LOOP_CHANGE_FD:
 		err = lo_ioctl(bdev, mode, cmd, arg);
-- 
2.7.4