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Re: [PATCH 04/11] xfsprogs: xfsdb: remove unnessary checks in process_le

To: Vivek Trivedi <t.vivek@xxxxxxxxxxx>
Subject: Re: [PATCH 04/11] xfsprogs: xfsdb: remove unnessary checks in process_leaf_node_dir_v2_free
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Thu, 3 Dec 2015 16:57:52 +1100
Cc: xfs@xxxxxxxxxxx, a.sahrawat@xxxxxxxxxxx, pankaj.m@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <1449055167-19936-5-git-send-email-t.vivek@xxxxxxxxxxx>
References: <1449055167-19936-1-git-send-email-t.vivek@xxxxxxxxxxx> <1449055167-19936-5-git-send-email-t.vivek@xxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Wed, Dec 02, 2015 at 04:49:20PM +0530, Vivek Trivedi wrote:
> xfs_dir2_free_hdr_t entries are unsigned, so they can't be negative.
> remove these unnessary checks in process_leaf_node_dir_v2_free.
> Reported by coverity.
> 
> Signed-off-by: Vivek Trivedi <t.vivek@xxxxxxxxxxx>
> ---
>  db/check.c |    2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/db/check.c b/db/check.c
> index 9c1541d..9d986b9 100644
> --- a/db/check.c
> +++ b/db/check.c
> @@ -3073,9 +3073,7 @@ process_leaf_node_dir_v3_free(
>               return;
>       }
>       if (be32_to_cpu(free->hdr.nvalid) > maxent || 
> -                             be32_to_cpu(free->hdr.nvalid) < 0 ||
>                               be32_to_cpu(free->hdr.nused) > maxent || 
> -                             be32_to_cpu(free->hdr.nused) < 0 ||
>                               be32_to_cpu(free->hdr.nused) > 
>                                       be32_to_cpu(free->hdr.nvalid)) {
>               if (!sflag || v)

Pretty meaningless, but I think we made this change libxfs code some
time ago, so we may as well change it here....

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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