diff options
Diffstat (limited to 'fs/erofs/zdata.c')
| -rw-r--r-- | fs/erofs/zdata.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c index 2d73297003d2..bc80cfe482f7 100644 --- a/fs/erofs/zdata.c +++ b/fs/erofs/zdata.c @@ -823,9 +823,6 @@ static int z_erofs_pcluster_begin(struct z_erofs_frontend *fe) } rcu_read_unlock(); } - } else if ((map->m_pa & ~PAGE_MASK) + map->m_plen > PAGE_SIZE) { - DBG_BUGON(1); - return -EFSCORRUPTED; } if (pcl) { @@ -1835,7 +1832,7 @@ static void z_erofs_pcluster_readmore(struct z_erofs_frontend *f, map->m_la = end; err = z_erofs_map_blocks_iter(inode, map, EROFS_GET_BLOCKS_READMORE); - if (err) + if (err || !(map->m_flags & EROFS_MAP_ENCODED)) return; /* expand ra for the trailing edge if readahead */ @@ -1847,7 +1844,7 @@ static void z_erofs_pcluster_readmore(struct z_erofs_frontend *f, end = round_up(end, PAGE_SIZE); } else { end = round_up(map->m_la, PAGE_SIZE); - if (!map->m_llen) + if (!(map->m_flags & EROFS_MAP_ENCODED) || !map->m_llen) return; } |