Re: [PATCH] staging: ks7010: honor 'const' qualifier

[Wolfram Sang]

On Wed, Jun 15, 2016 at 11:53:11PM +0200, Arnd Bergmann wrote:
> The recently-added ks7010 driver produces an annoying build warning:
> 
> drivers/staging/ks7010/ks7010_config.c: In function 'ks_wlan_read_config_file':
> drivers/staging/ks7010/ks7010_config.c:263:8: error: assignment discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers]
> 
> The problem here is that it assigns the firmware data to a non-const
> variable, and then goes on to modify it, which is clearly not the intended
> use case.
> 
> The only modification is to set the last byte to '\0', and as far as
> I can tell, this modification is unnecessary, as the parser always compares
> against the end pointer, rather than relying on zero-termination.
> 
> This patch therefore removes the modification of the const data and marks
> all the pointers 'const to avoid the warning.
> 
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Thanks! I'll send in a second a patch, though, which removes the config
file handling completely.

   Wolfram

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