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Diffstat (limited to 'fs/erofs/zdata.c')
-rw-r--r--fs/erofs/zdata.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index 8c947ed49299..a9dced07c3c6 100644
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -476,6 +476,11 @@ static int z_erofs_register_collection(struct z_erofs_collector *clt,
struct erofs_workgroup *grp;
int err;
+ if (!(map->m_flags & EROFS_MAP_ENCODED)) {
+ DBG_BUGON(1);
+ return -EFSCORRUPTED;
+ }
+
/* no available pcluster, let's allocate one */
pcl = z_erofs_alloc_pcluster(map->m_plen >> PAGE_SHIFT);
if (IS_ERR(pcl))
@@ -483,16 +488,11 @@ static int z_erofs_register_collection(struct z_erofs_collector *clt,
atomic_set(&pcl->obj.refcount, 1);
pcl->obj.index = map->m_pa >> PAGE_SHIFT;
-
+ pcl->algorithmformat = map->m_algorithmformat;
pcl->length = (map->m_llen << Z_EROFS_PCLUSTER_LENGTH_BIT) |
(map->m_flags & EROFS_MAP_FULL_MAPPED ?
Z_EROFS_PCLUSTER_FULL_LENGTH : 0);
- if (map->m_flags & EROFS_MAP_ZIPPED)
- pcl->algorithmformat = Z_EROFS_COMPRESSION_LZ4;
- else
- pcl->algorithmformat = Z_EROFS_COMPRESSION_SHIFTED;
-
/* new pclusters should be claimed as type 1, primary and followed */
pcl->next = clt->owned_head;
clt->mode = COLLECT_PRIMARY_FOLLOWED;