LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Aakash Hemadri <aakashhemadri123@gmail.com>
Cc: Larry Finger <Larry.Finger@lwfinger.net>,
	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: Thu, 19 Aug 2021 19:19:17 +0200	[thread overview]
Message-ID: <YR6SlQFV0HRov/fC@kroah.com> (raw)
In-Reply-To: <602aefc30b0d979dc6e402d52da2f096ea5c67cf.1629360917.git.aakashhemadri123@gmail.com>

On Thu, Aug 19, 2021 at 01:47:54PM +0530, Aakash Hemadri wrote:
> Fix sparse warning:
> > rtw_br_ext.c:836:54: warning: cast to restricted __be32
> 
> Unnecessary double cast, remove them.
> 
> Signed-off-by: Aakash Hemadri <aakashhemadri123@gmail.com>
> ---
>  drivers/staging/r8188eu/core/rtw_br_ext.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/r8188eu/core/rtw_br_ext.c b/drivers/staging/r8188eu/core/rtw_br_ext.c
> index 404fa8904e47..6a0462ce6230 100644
> --- a/drivers/staging/r8188eu/core/rtw_br_ext.c
> +++ b/drivers/staging/r8188eu/core/rtw_br_ext.c
> @@ -671,7 +671,7 @@ void dhcp_flag_bcast(struct adapter *priv, struct sk_buff *skb)
>  				    (udph->dest == __constant_htons(SERVER_PORT))) { /*  DHCP request */
>  					struct dhcpMessage *dhcph =
>  						(struct dhcpMessage *)((size_t)udph + sizeof(struct udphdr));
> -					u32 cookie = be32_to_cpu((__be32)dhcph->cookie);
> +					u32 cookie = dhcph->cookie;

Wait, what?  The cookie was in big endian format, and now you just
ignore it?  Why is this ok?  This breaks the code, have you tested this?

thanks,

greg k-h

  parent reply	other threads:[~2021-08-19 17:19 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 [this message]
2021-08-20 11:40     ` Aakash Hemadri
2021-08-20 21:44   ` Larry Finger
2021-08-21 14:21     ` Aakash Hemadri
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=YR6SlQFV0HRov/fC@kroah.com \
    --to=gregkh@linuxfoundation.org \
    --cc=Larry.Finger@lwfinger.net \
    --cc=aakashhemadri123@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-staging@lists.linux.dev \
    --cc=phil@philpotter.co.uk \
    --subject='Re: [PATCH v2 2/5] staging: r8188eu: cast to restricted __be32' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).