Unverified Commit 941952a3 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!2628 ubi: Refuse attaching if mtd's erasesize is 0 

Merge Pull Request from: @ci-robot 
 
PR sync from: ZhaoLong Wang <wangzhaolong1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/FW4AFHVDBJ2EQSVEJ3KEVJYTSGLE4T3W/ 
 
https://gitee.com/src-openeuler/kernel/issues/I6YOAJ 
 
Link:https://gitee.com/openeuler/kernel/pulls/2628

 

Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents ddaff2a8 fee7748e

drivers/mtd/ubi/build.c

+7 −0
Original line number Diff line number Diff line
@@ -896,6 +896,13 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, 
		return -EINVAL;

	}



	/* UBI cannot work on flashes with zero erasesize. */

	if (!mtd->erasesize) {

		pr_err("ubi: refuse attaching mtd%d - zero erasesize flash is not supported\n",

			mtd->index);

		return -EINVAL;

	}



	if (ubi_num == UBI_DEV_NUM_AUTO) {

		/* Search for an empty slot in the @ubi_devices array */

		for (ubi_num = 0; ubi_num < UBI_MAX_DEVICES; ubi_num++)