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| author | Yu Kuai <yukuai3@huawei.com> | 2023-05-24 04:41:18 +0300 |
|---|---|---|
| committer | Song Liu <song@kernel.org> | 2023-05-24 20:44:19 +0300 |
| commit | 8557dc27126949c702bd3aafe8a7e0b7e4fcb44c (patch) | |
| tree | 493e064583a5cbaf280647a472a9a881285c0282 /drivers/md/raid5.c | |
| parent | 3eb96946f0be6bf447cbdf219aba22bc42672f92 (diff) | |
| download | linux-8557dc27126949c702bd3aafe8a7e0b7e4fcb44c.tar.xz | |
md/raid5: fix miscalculation of 'end_sector' in raid5_read_one_chunk()
'end_sector' is compared to 'rdev->recovery_offset', which is offset to
rdev, however, commit e82ed3a4fbb5 ("md/raid6: refactor
raid5_read_one_chunk") changes the calculation of 'end_sector' to offset
to the array. Fix this miscalculation.
Fixes: e82ed3a4fbb5 ("md/raid6: refactor raid5_read_one_chunk")
Cc: stable@vger.kernel.org # v5.12+
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230524014118.3172781-1-yukuai1@huaweicloud.com
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 4739ed891e75..9ea285fbc4a6 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -5516,7 +5516,7 @@ static int raid5_read_one_chunk(struct mddev *mddev, struct bio *raid_bio) sector = raid5_compute_sector(conf, raid_bio->bi_iter.bi_sector, 0, &dd_idx, NULL); - end_sector = bio_end_sector(raid_bio); + end_sector = sector + bio_sectors(raid_bio); rcu_read_lock(); if (r5c_big_stripe_cached(conf, sector)) |