linux-hardening - [PATCH 032/141] floppy: Fix fall-through warnings for Clang

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Date:   Fri, 20 Nov 2020 12:28:37 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Denis Efremov <efremov@...ux.com>, Jens Axboe <axboe@...nel.dk>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>
Subject: [PATCH 032/141] floppy: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning
by explicitly adding a fallthrough pseudo-keyword in places where the
code is intended to fall through to the next case.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
 drivers/block/floppy.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 7df79ae6b0a1..21a2a7becba0 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -2124,6 +2124,7 @@ static void format_interrupt(void)
 	switch (interpret_errors()) {
 	case 1:
 		cont->error();
+		fallthrough;
 	case 2:
 		break;
 	case 0:
-- 
2.27.0