linux-kernel - Re: [PATCH][next] media: bt8xx: make read-only arrays static

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <2b17acc9-44c3-acf6-0674-04a43aa742e0@gmail.com>
Date:   Tue, 27 Jun 2023 16:04:38 +0100
From:   "Colin King (gmail)" <colin.i.king@...il.com>
To:     Tommaso Merciai <tomm.merciai@...il.com>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, kernel-janitors@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] media: bt8xx: make read-only arrays static

On 27/06/2023 15:38, Tommaso Merciai wrote:
> Hi Colin,
> 
> On Tue, Jun 27, 2023 at 02:48:51PM +0100, Colin Ian King wrote:
>> Don't populate the arrays on the stack, instead make them static const.
>> Also add spaces between values to clean up checkpatch style warnings.
>>
>> Signed-off-by: Colin Ian King <colin.i.king@...il.com>
>> ---
>>   drivers/media/pci/bt8xx/dvb-bt8xx.c | 12 ++++++++----
>>   1 file changed, 8 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/media/pci/bt8xx/dvb-bt8xx.c b/drivers/media/pci/bt8xx/dvb-bt8xx.c
>> index 4cb890b949c3..df83b59a618d 100644
>> --- a/drivers/media/pci/bt8xx/dvb-bt8xx.c
>> +++ b/drivers/media/pci/bt8xx/dvb-bt8xx.c
>> @@ -190,11 +190,15 @@ static int cx24108_tuner_set_params(struct dvb_frontend *fe)
>>   	u32 freq = c->frequency;
>>   	int i, a, n, pump;
>>   	u32 band, pll;
>> -	u32 osci[]={950000,1019000,1075000,1178000,1296000,1432000,
>> -		1576000,1718000,1856000,2036000,2150000};
>> -	u32 bandsel[]={0,0x00020000,0x00040000,0x00100800,0x00101000,
>> +	static const u32 osci[] = {
>> +		950000, 1019000, 1075000, 1178000, 1296000, 1432000,
>> +		1576000, 1718000, 1856000, 2036000, 2150000
>> +	};
>> +	static const u32 bandsel[] = {
>> +		0, 0x00020000, 0x00040000, 0x00100800, 0x00101000,
>>   		0x00102000,0x00104000,0x00108000,0x00110000,
> 
> Are you not missing space also here?

I can't see the space you are referring to.

> 
>> -		0x00120000,0x00140000};
>> +		0x00120000, 0x00140000
>> +	};
>>   
>>   	#define XTAL 1011100 /* Hz, really 1.0111 MHz and a /10 prescaler */
>>   	dprintk("cx24108 debug: entering SetTunerFreq, freq=%d\n", freq);
>> -- 
>> 2.39.2
>>
> 
> Regards,
> Tommaso