diff options
| author | Yan <yanzheng@21cn.com> | 2007-08-29 09:11:44 -0400 |
|---|---|---|
| committer | David Woodhouse <dwmw2@hera.kernel.org> | 2007-08-29 09:11:44 -0400 |
| commit | e9fe395e47bef9b948657b788c65cbfbd2433cc4 (patch) | |
| tree | bef78f8d8c3318c2cd904f456e1ef60a66d765b4 | |
| parent | 4b82d6e4a592016ac75e756ca519923e0fc18f00 (diff) | |
Btrfs: Fix oopsen in extent_tree.c during enospc
Signed-off-by: Chris Mason <chris.mason@oracle.com>
| -rw-r--r-- | fs/btrfs/extent-tree.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index ff3f7c2be60..b074ad1416d 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -244,7 +244,7 @@ struct btrfs_block_group_cache *btrfs_find_block_group(struct btrfs_root *root, if (search_start) { struct btrfs_block_group_cache *shint; shint = btrfs_lookup_block_group(info, search_start); - if (shint->data == data) { + if (shint && shint->data == data) { used = btrfs_block_group_used(&shint->item); if (used + shint->pinned < div_factor(shint->key.offset, factor)) { @@ -1255,8 +1255,7 @@ struct buffer_head *btrfs_alloc_free_block(struct btrfs_trans_handle *trans, struct buffer_head *buf; ret = btrfs_alloc_extent(trans, root, root->root_key.objectid, - 1, empty_size, hint, - (unsigned long)-1, &ins, 0); + 1, empty_size, hint, (u64)-1, &ins, 0); if (ret) { BUG_ON(ret > 0); return ERR_PTR(ret); |