4.18-stable review patch. If anyone has any objections, please let me know.
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From: Richard Weinberger richard@nod.at
[ Upstream commit 25677478474a91fa1b46f19a4a591a9848bca6fb ]
We cannot do it last, otherwithse it will be skipped for dynamic volumes.
Reported-by: Lachmann, Juergen juergen.lachmann@harman.com Fixes: 34653fd8c46e ("ubi: fastmap: Check each mapping only once") Signed-off-by: Richard Weinberger richard@nod.at Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/mtd/ubi/vtbl.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-)
--- a/drivers/mtd/ubi/vtbl.c +++ b/drivers/mtd/ubi/vtbl.c @@ -579,6 +579,16 @@ static int init_volumes(struct ubi_devic reserved_pebs += vol->reserved_pebs;
/* + * We use ubi->peb_count and not vol->reserved_pebs because + * we want to keep the code simple. Otherwise we'd have to + * resize/check the bitmap upon volume resize too. + * Allocating a few bytes more does not hurt. + */ + err = ubi_fastmap_init_checkmap(vol, ubi->peb_count); + if (err) + return err; + + /* * In case of dynamic volume UBI knows nothing about how many * data is stored there. So assume the whole volume is used. */ @@ -620,16 +630,6 @@ static int init_volumes(struct ubi_devic (long long)(vol->used_ebs - 1) * vol->usable_leb_size; vol->used_bytes += av->last_data_size; vol->last_eb_bytes = av->last_data_size; - - /* - * We use ubi->peb_count and not vol->reserved_pebs because - * we want to keep the code simple. Otherwise we'd have to - * resize/check the bitmap upon volume resize too. - * Allocating a few bytes more does not hurt. - */ - err = ubi_fastmap_init_checkmap(vol, ubi->peb_count); - if (err) - return err; }
/* And add the layout volume */