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authorWang Shilong <wangsl-fnst@cn.fujitsu.com>2013-04-10 15:22:50 +0400
committerJosef Bacik <jbacik@fusionio.com>2013-05-06 23:54:42 +0400
commit1149ab6bd48cf3b00c59e4f8ff79fbb1cf15b94b (patch)
tree883d8d57be3167e665e8188822002c54aa392389 /fs/btrfs/backref.c
parent92f183aa5b8a8655431583e4c53e80fa3e0070e5 (diff)
downloadlinux-1149ab6bd48cf3b00c59e4f8ff79fbb1cf15b94b.tar.xz
Btrfs: remove some BUG_ONs() when walking backref tree
The only error return value of __add_prelim_ref() is -ENOMEM, just return errors rather than trigger BUG_ON(). Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Diffstat (limited to 'fs/btrfs/backref.c')
-rw-r--r--fs/btrfs/backref.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index ba0fee7c3237..66f44c7534d0 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -582,7 +582,8 @@ static int __add_delayed_refs(struct btrfs_delayed_ref_head *head, u64 seq,
default:
WARN_ON(1);
}
- BUG_ON(ret);
+ if (ret)
+ return ret;
}
return 0;
@@ -680,7 +681,8 @@ static int __add_inline_refs(struct btrfs_fs_info *fs_info,
default:
WARN_ON(1);
}
- BUG_ON(ret);
+ if (ret)
+ return ret;
ptr += btrfs_extent_inline_ref_size(type);
}
@@ -762,7 +764,9 @@ static int __add_keyed_refs(struct btrfs_fs_info *fs_info,
default:
WARN_ON(1);
}
- BUG_ON(ret);
+ if (ret)
+ return ret;
+
}
return ret;