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From: Aakash Hemadri <aakashhemadri123@gmail.com>
To: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Phillip Potter <phil@philpotter.co.uk>,
	linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/5] staging: r8188eu: cast to restricted __be32
Date: Sat, 21 Aug 2021 19:51:16 +0530	[thread overview]
Message-ID: <20210821142116.4febwhcnx4wjyprw@xps.yggdrasil> (raw)
In-Reply-To: <4be5c5fa-c3fd-8c86-e904-8e2e60173380@lwfinger.net>

On 21/08/20 04:44PM, Larry Finger wrote:
> This patch is wrong. All the documentation I could find tells me that the
> multi-byte entries in dhcph are big-endian, thus the new line should read:
> 
> 					u32 cookie = be32_to_cpu(dhcph->cookie);
> combined with:
> 
> @@ -649,7 +650,7 @@ struct dhcpMessage {
>         u_int8_t chaddr[16];
>         u_int8_t sname[64];
>         u_int8_t file[128];
> -       u_int32_t cookie;
> +       __be32 cookie;
>         u_int8_t options[308]; /* 312 - cookie */
>  };
> 
> The old code was, in fact, correct, but not in a way that satisfied Sparse.
> 
> Larry

Thanks for the review Larry. I understand now, will rework and send it
through

Thanks,
Aakash Hemadri

  reply	other threads:[~2021-08-21 14:21 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-19  8:17 [PATCH v2 0/5] staging: r8188eu: fix sparse warnings Aakash Hemadri
2021-08-19  8:17 ` [PATCH v2 1/5] staging: r8188eu: restricted __be16 degrades to int Aakash Hemadri
2021-08-19  8:17 ` [PATCH v2 2/5] staging: r8188eu: cast to restricted __be32 Aakash Hemadri
2021-08-19 12:58   ` Fabio M. De Francesco
2021-08-19 17:19   ` Greg Kroah-Hartman
2021-08-20 11:40     ` Aakash Hemadri
2021-08-20 21:44   ` Larry Finger
2021-08-21 14:21     ` Aakash Hemadri [this message]
2021-08-22 21:30     ` David Laight
2021-08-23  8:26       ` Aakash Hemadri
2021-08-23 14:19       ` Larry Finger
2021-08-19  8:17 ` [PATCH v2 3/5] staging: r8188eu: incorrect type in csum_ipv6_magic Aakash Hemadri
2021-08-20 21:38   ` Larry Finger
2021-08-21 14:19     ` Aakash Hemadri
2021-08-20 21:48   ` Larry Finger
2021-08-19  8:17 ` [PATCH v2 4/5] staging: r8188eu: restricted __be16 degrades to int Aakash Hemadri
2021-08-19 17:20   ` Greg Kroah-Hartman
2021-08-20 15:10     ` Fabio M. De Francesco
2021-08-21 14:18       ` Aakash Hemadri
2021-08-19  8:17 ` [PATCH v2 5/5] staging: r8188eu: incorrect type in assignment Aakash Hemadri

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