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authorTsutomu Itoh <t-itoh@jp.fujitsu.com>2011-05-19 07:03:42 +0000
committerChris Mason <chris.mason@oracle.com>2011-05-23 13:24:39 -0400
commitb0b802d7e34b0b4a78f911c3a8aad88aa91fd7ab (patch)
treea921d73b19363e2f29c20265716f8f281fc3f87c /fs
parent27160b6b5a1744b6eaa8416e2b901ec937b1eee0 (diff)
Btrfs: return error code to caller when btrfs_previous_item fails
The error code is returned instead of calling BUG_ON when btrfs_previous_item returns the error. Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/volumes.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index c7367ae5a3e6..e40cdd5b4669 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -949,14 +949,14 @@ static int btrfs_free_dev_extent(struct btrfs_trans_handle *trans,
if (ret > 0) {
ret = btrfs_previous_item(root, path, key.objectid,
BTRFS_DEV_EXTENT_KEY);
- BUG_ON(ret);
+ if (ret)
+ goto out;
leaf = path->nodes[0];
btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);
extent = btrfs_item_ptr(leaf, path->slots[0],
struct btrfs_dev_extent);
BUG_ON(found_key.offset > start || found_key.offset +
btrfs_dev_extent_length(leaf, extent) < start);
- ret = 0;
} else if (ret == 0) {
leaf = path->nodes[0];
extent = btrfs_item_ptr(leaf, path->slots[0],
@@ -969,6 +969,7 @@ static int btrfs_free_dev_extent(struct btrfs_trans_handle *trans,
ret = btrfs_del_item(trans, root, path);
BUG_ON(ret);
+out:
btrfs_free_path(path);
return ret;
}