md/raid5: fix miscalculation of 'end_sector' in raid5_read_one_chunk()
authorYu Kuai <yukuai3@huawei.com>
Wed, 24 May 2023 01:41:18 +0000 (09:41 +0800)
committerSong Liu <song@kernel.org>
Wed, 24 May 2023 17:44:19 +0000 (10:44 -0700)
commit8557dc27126949c702bd3aafe8a7e0b7e4fcb44c
tree493e064583a5cbaf280647a472a9a881285c0282
parent3eb96946f0be6bf447cbdf219aba22bc42672f92
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
drivers/md/raid5.c