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Re: [PATCH][xfs-next] xfs: fix check on struct_version for versions 4 or greater




On Fri, Jan 12, 2018 at 04:37:15PM +0000, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> 
> It appears that the check for versions 4 or more is incorrect and is
> off-by-one. Fix this.
> 
> Detected by CoverityScan, CID#1463775 ("Logically dead code")
> 
> Fixes: ac503a4cc9e8 ("xfs: refactor the geometry structure filling function")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Looks ok,
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

> ---
>  fs/xfs/libxfs/xfs_sb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
> index 35b005d66977..869a2f3f0375 100644
> --- a/fs/xfs/libxfs/xfs_sb.c
> +++ b/fs/xfs/libxfs/xfs_sb.c
> @@ -951,7 +951,7 @@ xfs_fs_geometry(
>  	geo->rtsectsize = sbp->sb_blocksize;
>  	geo->dirblocksize = xfs_dir2_dirblock_bytes(sbp);
>  
> -	if (struct_version < 3)
> +	if (struct_version < 4)
>  		return 0;
>  
>  	if (xfs_sb_version_haslogv2(sbp))
> -- 
> 2.15.1
> 
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