Re: [PATCH 6/8] xfs: fix uninitialized field in rtbitmap fsmap backend

[Allison Henderson <allison.henderson@oracle.com>]

Looks ok:
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>

On 06/21/2018 11:31 AM, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@oracle.com>
> 
> Initialize the extent count field of the high key so that when we use
> the high key to synthesize an 'unknown owner' record (i.e. used space
> record) at the end of the queried range we have a field with which to
> compute rm_blockcount.  This is not strictly necessary because the
> synthesizer never uses the rm_blockcount field, but we can shut up the
> static code analysis anyway.
> 
> Coverity-id: 1437358
> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
> ---
>   fs/xfs/xfs_fsmap.c |    1 +
>   1 file changed, 1 insertion(+)
> 
> 
> diff --git a/fs/xfs/xfs_fsmap.c b/fs/xfs/xfs_fsmap.c
> index c34fa9c342f2..2be795b01ce0 100644
> --- a/fs/xfs/xfs_fsmap.c
> +++ b/fs/xfs/xfs_fsmap.c
> @@ -531,6 +531,7 @@ xfs_getfsmap_rtdev_rtbitmap_query(
>   
>   	/* Report any gaps at the end of the rtbitmap */
>   	info->last = true;
> +	ahigh.ar_extcount = 0;
>   	error = xfs_getfsmap_rtdev_rtbitmap_helper(tp, &ahigh, info);
>   	if (error)
>   		goto err;
> 
> --
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