From mboxrd@z Thu Jan  1 00:00:00 1970
From: Richard Weinberger <richard@nod.at>
Date: Tue, 30 Sep 2014 00:21:16 +0200
Subject: [U-Boot] [patch 2/2] spl: Lightweight UBI and UBI fastmap
	support
In-Reply-To: <20140705094729.982129666@linutronix.de>
References: <20140705092042.528529053@linutronix.de>
	<20140705094729.982129666@linutronix.de>
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Am 05.07.2014 11:48, schrieb Thomas Gleixner:
> +/**
> + * ubi_calc_fm_size - calculates the fastmap size in bytes for an UBI device.
> + * @ubi: UBI device description object
> + */
> +static size_t ubi_calc_fm_size(struct ubi_scan_info *ubi)
> +{
> +	size_t size;
> +
> +	size = sizeof(struct ubi_fm_hdr) + \
> +		sizeof(struct ubi_fm_scan_pool) + \
> +		sizeof(struct ubi_fm_scan_pool) + \
> +		(ubi->peb_count * sizeof(struct ubi_fm_ec)) + \
> +		(sizeof(struct ubi_fm_eba) + \
> +		(ubi->peb_count * sizeof(__be32))) + \
> +		sizeof(struct ubi_fm_volhdr) * UBI_MAX_VOLUMES;
> +	return roundup(size, ubi->leb_size);
> +}

The size calculation misses sizeof(struct ubi_fm_sb).
I've found this issue while working on Linux fastmap support.

Thanks,
//richard