Unverified Commit f79a0497 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
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!3291 [sync] PR-3222: md/raid5: fix miscalculation of 'end_sector' in raid5_read_one_chunk() 

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/3222 
 
PR sync from: Li Nan <linan122@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/QV6KX5M6NOP4EWZ6UGXEMV7GPQN75SCT/ 
 
https://gitee.com/openeuler/kernel/issues/I8LZMK 
 
Link:https://gitee.com/openeuler/kernel/pulls/3291

 

Reviewed-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Reviewed-by: default avatarYu Kuai <yukuai3@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents a0201f3d 8a5a7e2e

drivers/md/raid5.c

+2 −2
Original line number Diff line number Diff line
@@ -5409,7 +5409,7 @@ 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))