Unverified Commit ba880c5e authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!7879 [sync] PR-7684: dm snapshot: fix lockup in dm_exception_table_exit 

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/7684 
 
PR sync from: Li Lingfeng <lilingfeng3@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/JNSG6WOXCGM4MHMDIMPPGWHUHTPKI5GV/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9Q9CC 
 
Link:https://gitee.com/openeuler/kernel/pulls/7879

 

Reviewed-by: default avatarYu Kuai <yukuai3@huawei.com>
Reviewed-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 89882d97 2c229c23

drivers/md/dm-snap.c

+3 −1
Original line number Diff line number Diff line
@@ -685,8 +685,10 @@ static void dm_exception_table_exit(struct dm_exception_table *et, 
	for (i = 0; i < size; i++) {

		slot = et->table + i;



		hlist_bl_for_each_entry_safe(ex, pos, n, slot, hash_list)

		hlist_bl_for_each_entry_safe(ex, pos, n, slot, hash_list) {

			kmem_cache_free(mem, ex);

			cond_resched();

		}

	}



	vfree(et->table);