[U-Boot] [PATCH] net: tftp: silence a subscript above array bounds compile time warning

[Joe Hershberger]

On Wed, Jun 28, 2017 at 2:56 PM, Vladimir Zapolskiy <vz at mleia.com> wrote:
> For strncpy() select a minimal string length of destination and source
> strings, here DEFAULT_NAME_LEN is preferable to MAX_LEN.
>
> Due to the NUL-terminated contents of default_string the change is
> a noop, however it removes a compilation warning if SH2/3/4 platform
> specific strncpy() function is used:
>
>   In file included from include/linux/string.h:21:0,
>                    from include/common.h:28,
>                    from net/tftp.c:9:
>
>   net/tftp.c: In function 'tftp_start':
>   arch/sh/include/asm/string.h:52:42: warning: array subscript is above array bounds [-Warray-bounds]
>      : "0" (__dest), "1" (__src), "r" (__src+__n)
>
> Signed-off-by: Vladimir Zapolskiy <vz at mleia.com>

Acked-by: Joe Hershberger <joe.hershberger at ni.com>