diff options
| -rw-r--r-- | fs/btrfs/extent-tree.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index ae4380a7f88e..128fc7840160 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -883,17 +883,7 @@ again: needed = BTRFS_REF_TYPE_BLOCK; ret = -ENOENT; - while (1) { - if (ptr >= end) { - if (ptr > end) { - ret = -EUCLEAN; - btrfs_print_leaf(path->nodes[0]); - btrfs_crit(fs_info, -"overrun extent record at slot %d while looking for inline extent for root %llu owner %llu offset %llu parent %llu", - path->slots[0], root_objectid, owner, offset, parent); - } - break; - } + while (ptr < end) { iref = (struct btrfs_extent_inline_ref *)ptr; type = btrfs_get_extent_inline_ref_type(leaf, iref, needed); if (type == BTRFS_REF_TYPE_INVALID) { @@ -940,6 +930,16 @@ again: } ptr += btrfs_extent_inline_ref_size(type); } + + if (unlikely(ptr > end)) { + ret = -EUCLEAN; + btrfs_print_leaf(path->nodes[0]); + btrfs_crit(fs_info, +"overrun extent record at slot %d while looking for inline extent for root %llu owner %llu offset %llu parent %llu", + path->slots[0], root_objectid, owner, offset, parent); + goto out; + } + if (ret == -ENOENT && insert) { if (item_size + extra_size >= BTRFS_MAX_EXTENT_ITEM_SIZE(root)) { |