diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/Makefile | 2 | ||||
| -rw-r--r-- | fs/btrfs/ctree.c | 14 |
2 files changed, 13 insertions, 3 deletions
diff --git a/fs/Makefile b/fs/Makefile index 10c735ad434..2ed4aeac0e5 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -15,7 +15,7 @@ obj-$(CONFIG_FS_BTRFS) += btrfs/ obj-$(CONFIG_FS_CBFS) += cbfs/ obj-$(CONFIG_CMD_CRAMFS) += cramfs/ obj-$(CONFIG_FS_EXT4) += ext4/ -obj-y += fat/ +obj-$(CONFIG_FS_FAT) += fat/ obj-$(CONFIG_FS_JFFS2) += jffs2/ obj-$(CONFIG_CMD_REISER) += reiserfs/ obj-$(CONFIG_SANDBOX) += sandbox/ diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index d248d799327..7fae383f150 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -185,10 +185,20 @@ int btrfs_search_tree(const struct btrfs_root *root, struct btrfs_key *key, p->slots[lvl] = slot; p->nodes[lvl] = buf; - if (lvl) + if (lvl) { logical = buf->node.ptrs[slot].blockptr; - else + } else { + /* + * The path might be invalid if: + * cur leaf max < searched value < next leaf min + * + * Jump to the next valid element if it exists. + */ + if (slot >= buf->header.nritems) + if (btrfs_next_slot(p) < 0) + goto err; break; + } } return 0; |