Commit f939aeea authored by Jingbo Xu's avatar Jingbo Xu Committed by Gao Xiang
Browse files

erofs: allow empty device tags in flatdev mode 



Device tags aren't actually required in flatdev mode, thus fix mount
failure due to empty device tags in flatdev mode.

Signed-off-by: default avatarJingbo Xu <jefflexu@linux.alibaba.com>
Fixes: 8b465fec ("erofs: support flattened block device for multi-blob images")
Reviewed-by: default avatarJia Zhu <zhujia.zj@bytedance.com>
Reviewed-by: default avatarGao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230915082728.56588-1-jefflexu@linux.alibaba.com


Signed-off-by: default avatarGao Xiang <hsiangkao@linux.alibaba.com>
parent 75a52216

fs/erofs/super.c

+1 −1
Original line number Diff line number Diff line
@@ -235,7 +235,7 @@ static int erofs_init_device(struct erofs_buf *buf, struct super_block *sb, 
		return PTR_ERR(ptr);

	dis = ptr + erofs_blkoff(sb, *pos);



	if (!dif->path) {

	if (!sbi->devs->flatdev && !dif->path) {

		if (!dis->tag[0]) {

			erofs_err(sb, "empty device tag @ pos %llu", *pos);

			return -EINVAL;