From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Subject: Re: [PATCH v3 1/2] iptables-nftables: function nft_chain_zero_counters
 added.
Date: Mon, 17 Jun 2013 15:41:24 +0300
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Cc: Pablo Neira Ayuso <pablo@netfilter.org>,
	netfilter-devel@vger.kernel.org
To: Giuseppe Longo <giuseppelng@gmail.com>
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Hi Giuseppe,

> I runned checkscript.pl with my patch, but i don't get any style issues.
> This is the output:
>
> ./scripts/checkpatch.pl --file /home/giuseppe/nft_chain_zero_counters.patch
> /home/giuseppe/nft_chain_zero_counters.patch:83: ERROR: trailing whitespace
> /home/giuseppe/nft_chain_zero_counters.patch:92: ERROR: trailing whitespace
> total: 2 errors, 0 warnings, 141 lines checked

It's due to --file option you used.

I get that:

WARNING: line over 80 characters
#56: FILE: iptables/nft.c:2884:
+        nlh = nft_chain_nlmsg_build_hdr(buf, NFT_MSG_NEWCHAIN, h->family,

I ran it like: ./checkpatch.pl --no-tree <your patch>

--file option is for a plain source file, not a patch file.

Tomasz