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Message-ID: <bc5e1a62-9034-f668-c694-cc6d7e69c114@embeddedor.com>
Date: Wed, 26 Jun 2019 13:16:22 -0500
From: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To: Miquel Raynal <miquel.raynal@...tlin.com>
Cc: Kees Cook <keescook@...omium.org>,
Kyungmin Park <kyungmin.park@...sung.com>,
Richard Weinberger <richard@....at>,
David Woodhouse <dwmw2@...radead.org>,
Brian Norris <computersforpeace@...il.com>,
Marek Vasut <marek.vasut@...il.com>,
Vignesh Raghavendra <vigneshr@...com>,
Jonathan Bakker <xc-racer2@...e.ca>,
linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mtd: onenand_base: Mark expected switch fall-through
Hi all,
Friendly ping:
Who can take this?
Thanks
--
Gustavo
On 6/4/19 9:45 AM, Kees Cook wrote:
> On Tue, Jun 04, 2019 at 09:17:37AM -0500, Gustavo A. R. Silva wrote:
>> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
>> where we are expecting to fall through.
>>
>> This patch fixes the following warning:
>>
>> drivers/mtd/nand/onenand/onenand_base.c: In function ‘onenand_check_features’:
>> drivers/mtd/nand/onenand/onenand_base.c:3264:17: warning: this statement may fall through [-Wimplicit-fallthrough=]
>> this->options |= ONENAND_HAS_NOP_1;
>> drivers/mtd/nand/onenand/onenand_base.c:3265:2: note: here
>> case ONENAND_DEVICE_DENSITY_4Gb:
>> ^~~~
>>
>> Warning level 3 was used: -Wimplicit-fallthrough=3
>>
>> This patch is part of the ongoing efforts to enable
>> -Wimplicit-fallthrough.
>>
>> Cc: Jonathan Bakker <xc-racer2@...e.ca>
>> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
>
> Reviewed-by: Kees Cook <keescook@...omium.org>
>
> -Kees
>
>> ---
>> drivers/mtd/nand/onenand/onenand_base.c | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/mtd/nand/onenand/onenand_base.c b/drivers/mtd/nand/onenand/onenand_base.c
>> index ba46d0cf60a1..bdb5f4733d28 100644
>> --- a/drivers/mtd/nand/onenand/onenand_base.c
>> +++ b/drivers/mtd/nand/onenand/onenand_base.c
>> @@ -3262,6 +3262,7 @@ static void onenand_check_features(struct mtd_info *mtd)
>> switch (density) {
>> case ONENAND_DEVICE_DENSITY_8Gb:
>> this->options |= ONENAND_HAS_NOP_1;
>> + /* fall through */
>> case ONENAND_DEVICE_DENSITY_4Gb:
>> if (ONENAND_IS_DDP(this))
>> this->options |= ONENAND_HAS_2PLANE;
>> --
>> 2.21.0
>>
>
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