linux-kernel - [PATCH] mips: annotate implicit fall throughs

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Date:   Mon,  3 Dec 2018 22:22:13 +0100
From:   Mathieu Malaterre <malat@...ian.org>
To:     Paul Burton <paul.burton@...s.com>
Cc:     trivial@...nel.org, kernel-janitors@...r.kernel.org,
        Mathieu Malaterre <malat@...ian.org>,
        Harvey Hunt <harveyhuntnexus@...il.com>,
        Boris Brezillon <boris.brezillon@...tlin.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] mips: annotate implicit fall throughs

There is a plan to build the kernel with -Wimplicit-fallthrough and
these places in the code produced warnings. Fix them up.

Signed-off-by: Mathieu Malaterre <malat@...ian.org>
---
 drivers/mtd/nand/raw/jz4780_bch.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mtd/nand/raw/jz4780_bch.c b/drivers/mtd/nand/raw/jz4780_bch.c
index 731c6051d91e..7201827809e9 100644
--- a/drivers/mtd/nand/raw/jz4780_bch.c
+++ b/drivers/mtd/nand/raw/jz4780_bch.c
@@ -136,8 +136,10 @@ static void jz4780_bch_read_parity(struct jz4780_bch *bch, void *buf,
 	switch (size8) {
 	case 3:
 		dest8[2] = (val >> 16) & 0xff;
+		/* fall through */
 	case 2:
 		dest8[1] = (val >> 8) & 0xff;
+		/* fall through */
 	case 1:
 		dest8[0] = val & 0xff;
 		break;
-- 
2.19.2