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

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Date:   Tue, 18 Dec 2018 16:37:47 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     devel@...verdev.osuosl.org, gregkh@...uxfoundation.org,
        leobras.c@...il.co, radek.dostal@...eamunlimited.co,
        linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v2 -next] staging: fbtft: use strcmp() instead of
 strncmp() for

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@...wei.com>
> ---
> v2: fix patch title

v2 is worse than v1...

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