[U-Boot] [PATCH v2] arm: Correct build error introduced by getenv_ulong() patch

[Mike Frysinger <vapier@gentoo.org>]

On Sunday 23 October 2011 23:44:35 Simon Glass wrote:
> --- a/arch/arm/lib/board.c
> +++ b/arch/arm/lib/board.c
>
>  	flash_size = flash_init();
>  	if (flash_size > 0) {
>  # ifdef CONFIG_SYS_FLASH_CHECKSUM
> +		char *s = getenv("flashchecksum");
> +
>  		print_size(flash_size, "");
>  		/*
>  		 * Compute and print flash CRC if flashchecksum is set to 'y'
>  		 *
>  		 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
>  		 */
> -		s = getenv("flashchecksum");
>  		if (s && (*s == 'y')) {
>  			printf("  CRC: %08X", crc32(0,
>  				(const unsigned char *) CONFIG_SYS_FLASH_BASE,
> @@ -566,9 +567,12 @@ void board_init_r(gd_t *id, ulong dest_addr)
>  	/* Initialize from environment */
>  	load_addr = getenv_ulong("loadaddr", 16, load_addr);
>  #if defined(CONFIG_CMD_NET)
> -	s = getenv("bootfile");
> -	if (s != NULL)
> -		copy_filename(BootFile, s, sizeof(BootFile));
> +	{
> +		char *s = getenv("bootfile");
> +
> +		if (s != NULL)
> +			copy_filename(BootFile, s, sizeof(BootFile));
> +	}
>  #endif

seems like a better solution would be to use at the top:
	__maybe_unused char *s;

also, shouldn't these be "const char *s" ?
-mike
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