Re: [PATCH RESEND 2] staging: rtl8192u: ieee80211: Fix sparse endianness warnings

From: Gaston Gonzalez
Date: Mon Jun 01 2015 - 19:46:00 EST


On Mon, Jun 01, 2015 at 02:43:28PM -0700, Joe Perches wrote:
> On Mon, 2015-06-01 at 18:30 -0300, Gaston Gonzalez wrote:
> > Fix the following sparse warnings:
> []
> > diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
> []
> > @@ -660,8 +660,9 @@ inline struct sk_buff *ieee80211_authentication_req(struct ieee80211_network *be
> > auth = (struct ieee80211_authentication *)
> > skb_put(skb, sizeof(struct ieee80211_authentication));
> >
> > - auth->header.frame_ctl = IEEE80211_STYPE_AUTH;
> > - if (challengelen) auth->header.frame_ctl |= IEEE80211_FCTL_WEP;
> > + auth->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_AUTH);
> > + if (challengelen)
> > + auth->header.frame_ctl |= cpu_to_le16(IEEE80211_FCTL_WEP);
>
> It'd be better to use normal tab indentation and likely
> it'd also be better to set this only once
>
> if (challengelen)
> auth->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_AUTH | IEEE80211_FCTL_WEP);
> else
> auth->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_AUTH);
>
> or maybe a single line
>
> auth->header.frame_ctl = cpu_to_le16(challengelen ? IEEE80211_STYPE_AUTH | IEEE80211_FCTL_WEP : IEEE80211_STYPE_AUTH);
>
> though I think the first is simpler to read.
>
>
Thanks for the feedback.

I'll send a v2 making the changes according to your first option.

regards,

Gaston
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