Re: [PATCH v2 -next] staging: fbtft: use strcmp() instead of strncmp() for

From: YueHaibing
Date: Tue Dec 18 2018 - 08:46:51 EST


On 2018/12/18 21:37, Dan Carpenter wrote:
> On Tue, Dec 18, 2018 at 09:25:08PM +0800, YueHaibing wrote:
>> strncmp() stops comparing when either the end of one of the first two
>> arguments is reached or when 'n' characters have been compared, whichever
>> comes first.That means that strncmp(s1, s2, n) is equivalent to
>> strcmp(s1, s2) if n exceeds the length of s1 or the length of s2.
>>
>> This patch avoids that the following warning is reported by smatch:
>>
>> drivers/staging/fbtft/fbtft_device.c:1458
>> fbtft_device_init() error: strncmp() '"list"' too small (5 vs 32)
>>
>> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
>> ---
>> v2: fix patch title
>
> v2 is worse than v1...

Yes, ...., I messed up.

I will fix it.

>
> v1 is a little long but I wouldn't have complained about it.
>
> Please assume that the subject and the commit message are separate
> things. Take a look how the patch description reads on marc.info:
>
> https://marc.info/?l=linux-driver-devel&m=154513957719226&w=2
>
> regards,
> dan carpenter
>
>
> .
>