netdev - Re: [PATCH 1/4] sctp: Fix crc32c calculations on big-endian arhes.

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Message-ID: <20090123051956.GA25803@gondor.apana.org.au>
Date:	Fri, 23 Jan 2009 16:19:56 +1100
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Vlad Yasevich <vladislav.yasevich@...com>
Cc:	netdev@...r.kernel.org, linux-sctp@...r.kernel.org,
	davem@...emloft.net, vladislav.yasevich@...com
Subject: Re: [PATCH 1/4] sctp: Fix crc32c calculations on big-endian arhes.

Vlad Yasevich <vladislav.yasevich@...com> wrote:
>
> diff --git a/include/net/sctp/checksum.h b/include/net/sctp/checksum.h
> index b799fb2..2fec3c3 100644
> --- a/include/net/sctp/checksum.h
> +++ b/include/net/sctp/checksum.h
> @@ -79,5 +79,5 @@ static inline __be32 sctp_update_cksum(__u8 *buffer, __u16 length, __be32 crc32)
> 
> static inline __be32 sctp_end_cksum(__be32 crc32)
> {
> -       return ~crc32;
> +       return (__force __be32)~cpu_to_le32((__force u32)crc32);
> }

Ouch, surely there is a better way to do this?

Cheers,
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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