From: Arnd Bergmann <a...@arndb.de>
Date: Fri, 14 Jul 2017 14:07:03 +0200

> gcc warns that the temporary buffer might be too small here:
> 
> drivers/net/ethernet/cavium/thunder/thunder_bgx.c: In function 'bgx_probe':
> drivers/net/ethernet/cavium/thunder/thunder_bgx.c:1020:16: error: '%d' 
> directive writing between 1 and 10 bytes into a region of size between 9 and 
> 11 [-Werror=format-overflow=]
> sprintf(str, "BGX%d LMAC%d mode", bgx->bgx_id, lmacid);
>              ^~~~~~~~~~~~~~~~~~~
> drivers/net/ethernet/cavium/thunder/thunder_bgx.c:1020:16: note: directive 
> argument in the range [0, 2147483647]
> drivers/net/ethernet/cavium/thunder/thunder_bgx.c:1020:3: note: 'sprintf' 
> output between 16 and 27 bytes into a destination of size 20
> 
> This probably can't happen, but it can't hurt to make it long
> enough for the theoretical limit.
> 
> Signed-off-by: Arnd Bergmann <a...@arndb.de>

Applied.

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