Unverified Commit abe00c72 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!4709 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/HEQR3C3R5BPJDKYGB7O2QOFCTADGLBEN/ 
 
https://gitee.com/src-openeuler/kernel/issues/I932W5 
 
Link:https://gitee.com/openeuler/kernel/pulls/4709

 

Reviewed-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parents fe638d10 4d81896c

drivers/mtd/mtd_blkdevs.c

+2 −2
Original line number Diff line number Diff line
@@ -463,7 +463,7 @@ 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)
@@ -503,7 +503,7 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr) 
	mutex_lock(&mtd_table_mutex);

	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);

	return 0;