Unverified Commit b8504baf authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!4707 mtd: Fix gluebi NULL pointer dereference caused by ftl notifier 

Merge Pull Request from: @ci-robot 
 
PR sync from: ZhaoLong Wang <wangzhaolong1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/ZKBKQS653TICO4XO64XLYBTVE3D4UG2K/ 
 
https://gitee.com/src-openeuler/kernel/issues/I932W5 
 
Link:https://gitee.com/openeuler/kernel/pulls/4707

 

Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents 94da7394 dded5e23

drivers/mtd/mtd_blkdevs.c

+2 −2
Original line number Diff line number Diff line
@@ -521,7 +521,7 @@ static void blktrans_notify_add(struct mtd_info *mtd) 
{

	struct mtd_blktrans_ops *tr;



	if (mtd->type == MTD_ABSENT)

	if (mtd->type == MTD_ABSENT || mtd->type == MTD_UBIVOLUME)

		return;



	list_for_each_entry(tr, &blktrans_majors, list)
@@ -564,7 +564,7 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr) 
	list_add(&tr->list, &blktrans_majors);



	mtd_for_each_device(mtd)

		if (mtd->type != MTD_ABSENT)

		if (mtd->type != MTD_ABSENT && mtd->type != MTD_UBIVOLUME)

			tr->add_mtd(tr, mtd);



	mutex_unlock(&mtd_table_mutex);