linux-kernel - [PATCH] mtd: block2mtd: mark expected switch fall-throughs

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Date:   Thu, 9 Aug 2018 11:05:13 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Joern Engel <joern@...ybastard.org>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Boris Brezillon <boris.brezillon@...tlin.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>
Cc:     linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH] mtd: block2mtd: mark expected switch fall-throughs

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

Addresses-Coverity-ID: 402015 ("Missing break in switch")
Addresses-Coverity-ID: 402016 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 drivers/mtd/devices/block2mtd.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index c9e4249..410a321 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -329,8 +329,10 @@ static int ustrtoul(const char *cp, char **endp, unsigned int base)
 	switch (**endp) {
 	case 'G' :
 		result *= 1024;
+		/* fall through */
 	case 'M':
 		result *= 1024;
+		/* fall through */
 	case 'K':
 	case 'k':
 		result *= 1024;
-- 
2.7.4