Commit 63bceed8 authored by Jan Kara's avatar Jan Kara
Browse files

udf: Warn if block mapping is done for in-ICB files 



Now that address space operations are merge dfor in-ICB and normal
files, it is more likely some code mistakenly tries to map blocks for
in-ICB files. WARN and return error instead of silently returning
garbage.

Signed-off-by: default avatarJan Kara <jack@suse.cz>
parent cecb1f06

fs/udf/inode.c

+3 −0
Original line number Diff line number Diff line
@@ -416,6 +416,9 @@ static int udf_map_block(struct inode *inode, struct udf_map_rq *map) 
	int err;

	struct udf_inode_info *iinfo = UDF_I(inode);



	if (WARN_ON_ONCE(iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB))

		return -EFSCORRUPTED;



	map->oflags = 0;

	if (!(map->iflags & UDF_MAP_CREATE)) {

		struct kernel_lb_addr eloc;