mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-22 02:20:40 +00:00
Code Issues Releases Wiki Activity

ubi: correct the calculation of fastmap size

Browse source 
[ Upstream commit 7f174ae4f3 ]

Now that the calculation of fastmap size in ubi_calc_fm_size() is
incorrect since it miss each user volume's ubi_fm_eba structure and the
Internal UBI volume info. Let's correct the calculation.

Cc: stable@vger.kernel.org
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zhang Yi 2024-02-20 10:49:03 +08:00 committed by Greg Kroah-Hartman
parent d1b505c988
commit 1a3487cdf8
1 changed files with 4 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
drivers/mtd/ubi/fastmap.c
View file

@ -85,9 +85,10 @@ size_t ubi_calc_fm_size(struct ubi_device *ubi)
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;
((sizeof(struct ubi_fm_eba) +
sizeof(struct ubi_fm_volhdr)) *
(UBI_MAX_VOLUMES + UBI_INT_VOL_COUNT)) +
(ubi->peb_count * sizeof(__be32));
return roundup(size, ubi->leb_size);
}