This does not look correct.  Please check.

julia

On Thu, 11 Jun 2015, kbuild test robot wrote:

> TO: Liu Bo <[email protected]>
> CC: "Chris Mason <[email protected]> Chris Mason" <[email protected]>
> CC: David Sterba <[email protected]>
> CC: [email protected]
> 
> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git 
> integration-4.2
> head:   9a4e7276d39071576d369e607d7accb84b41d0b4
> commit: 64c043de466d5746e7ca306dab9d418cd871cefc [29/57] Btrfs: fix up 
> read_tree_block to return proper error
> :::::: branch date: 7 hours ago
> :::::: commit date: 8 days ago
> 
> >> fs/btrfs/disk-io.c:2325:17-30: ERROR: reference preceded by free on line 
> >> 2324
> 
> git remote add btrfs 
> git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git
> git remote update btrfs
> git checkout 64c043de466d5746e7ca306dab9d418cd871cefc
> vim +2325 fs/btrfs/disk-io.c
> 
> 63443bf5 Eric Sandeen 2014-08-01  2318                        
> BTRFS_TREE_LOG_OBJECTID);
> 63443bf5 Eric Sandeen 2014-08-01  2319  
> 63443bf5 Eric Sandeen 2014-08-01  2320        log_tree_root->node = 
> read_tree_block(tree_root, bytenr,
> 63443bf5 Eric Sandeen 2014-08-01  2321                        
> fs_info->generation + 1);
> 64c043de Liu Bo       2015-05-25  2322        if 
> (IS_ERR(log_tree_root->node)) {
> 64c043de Liu Bo       2015-05-25  2323                printk(KERN_ERR "BTRFS: 
> failed to read log tree\n");
> 64c043de Liu Bo       2015-05-25 @2324                kfree(log_tree_root);
> 64c043de Liu Bo       2015-05-25 @2325                return 
> PTR_ERR(log_tree_root->node);
> 64c043de Liu Bo       2015-05-25  2326        } else if 
> (!extent_buffer_uptodate(log_tree_root->node)) {
> 63443bf5 Eric Sandeen 2014-08-01  2327                printk(KERN_ERR "BTRFS: 
> failed to read log tree\n");
> 63443bf5 Eric Sandeen 2014-08-01  2328                
> free_extent_buffer(log_tree_root->node);
> 
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> http://lists.01.org/mailman/listinfo/kbuild                 Intel Corporation
> 
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