Re: xfs: recovery of swap extents operations for CRC filesystems

[Dave Chinner <dchinner@redhat.com>]

On Thu, Sep 12, 2013 at 12:18:19AM +0300, Dan Carpenter wrote:
> Hello Dave Chinner,
> 
> The patch 638f44163d57: "xfs: recovery of swap extents operations for
> CRC filesystems" from Aug 30, 2013, leads to the following
> static checker warning: "fs/xfs/xfs_log_recover.c:2999
> xlog_recover_inode_pass2()
> 	 info: ignoring unreachable code."
> 
> fs/xfs/xfs_log_recover.c
>   2992  out_release:
>   2993          xfs_buf_relse(bp);
>   2994  error:
>   2995          if (need_free)
>   2996                  kmem_free(in_f);
>   2997          return XFS_ERROR(error);
>                 ^^^^^^^^^^^^^^^^^^^^^^^
>   2998  
>   2999          xfs_buf_relse(bp);
>   3000          goto error;
> 
> These two added lines are unreachable.  Sometimes people add dead code
> for later, so this might be intentional.  It's not clear.

It's dead code. I reworked the error handling of the function and
didn't clean up all the mess.

Mark, I'm away from my upstream dev environment until next week -
can you send a followup patch to fix this?

Cheers,

Dave.
-- 
Dave Chinner
dchinner@redhat.com

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