linux-kernel - [PATCH] arcnet: com20020-isa: Mark expected switch fall-throughs

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Message-ID: <20190729142503.GA7917@embeddedor>
Date:   Mon, 29 Jul 2019 09:25:03 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Michael Grzeschik <m.grzeschik@...gutronix.de>,
        "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Kees Cook <keescook@...omium.org>
Subject: [PATCH] arcnet: com20020-isa: Mark expected switch fall-throughs

Mark switch cases where we are expecting to fall through.

This patch fixes the following warnings:

drivers/net/arcnet/com20020-isa.c: warning: this statement may fall
through [-Wimplicit-fallthrough=]:  => 205:13, 203:10, 209:7, 201:11,
207:8

Reported-by: Geert Uytterhoeven <geert@...ux-m68k.org>
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 drivers/net/arcnet/com20020-isa.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/arcnet/com20020-isa.c b/drivers/net/arcnet/com20020-isa.c
index 28510e33924f..cd27fdc1059b 100644
--- a/drivers/net/arcnet/com20020-isa.c
+++ b/drivers/net/arcnet/com20020-isa.c
@@ -197,16 +197,22 @@ static int __init com20020isa_setup(char *s)
 	switch (ints[0]) {
 	default:		/* ERROR */
 		pr_info("Too many arguments\n");
+		/* Fall through */
 	case 6:		/* Timeout */
 		timeout = ints[6];
+		/* Fall through */
 	case 5:		/* CKP value */
 		clockp = ints[5];
+		/* Fall through */
 	case 4:		/* Backplane flag */
 		backplane = ints[4];
+		/* Fall through */
 	case 3:		/* Node ID */
 		node = ints[3];
+		/* Fall through */
 	case 2:		/* IRQ */
 		irq = ints[2];
+		/* Fall through */
 	case 1:		/* IO address */
 		io = ints[1];
 	}
-- 
2.22.0