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block: fix offset/size check in bio_trim()

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[ Upstream commit 8535c0185d14ea41f0efd6a357961b05daf6687e ]

Unit of bio->bi_iter.bi_size is bytes, but unit of offset/size
is sector.

Fix the above issue in checking offset/size in bio_trim().

Fixes: e83502ca5f1e ("block: fix argument type of bio_trim()")
Cc: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20220414084443.1736850-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ming Lei 2022-04-14 16:44:43 +08:00 committed by Greg Kroah-Hartman
parent 279018a01b
commit 3e67054c33
1 changed files with 1 additions and 1 deletions
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2
block/bio.c
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@ -1552,7 +1552,7 @@ EXPORT_SYMBOL(bio_split);
void bio_trim(struct bio *bio, sector_t offset, sector_t size)
{
if (WARN_ON_ONCE(offset > BIO_MAX_SECTORS || size > BIO_MAX_SECTORS ||
offset + size > bio->bi_iter.bi_size))
offset + size > bio_sectors(bio)))
return;
size <<= 9;