linux-kernel - Re: pull-request: wireless-drivers 2016-02-18

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Message-ID: <CAMuHMdWVJ+rC1w_-mHdWhDJ_q++W_hp-Fg4JTjSSSseS1aDd5Q@mail.gmail.com>
Date:	Mon, 29 Feb 2016 09:35:21 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Kalle Valo <kvalo@...eaurora.org>
Cc:	David Miller <davem@...emloft.net>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-wireless <linux-wireless@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: pull-request: wireless-drivers 2016-02-18

On Thu, Feb 18, 2016 at 4:28 PM, Kalle Valo <kvalo@...eaurora.org> wrote:
> Hi Dave,
>
> I have some important fixes I would like to get 4.5 still, more info in
> the signed tag. Please let me know if you have problems.
>
> Kalle
>
> The following changes since commit f9ead9beef3f44be0db4b542a8c2ce698fb1530e:
>
>   Merge tag 'iwlwifi-for-kalle-2016-01-26_2' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes (2016-01-27 14:19:18 +0200)
>
> are available in the git repository at:
>
>
>   git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git tags/wireless-drivers-for-davem-2016-02-18
>
> for you to fetch changes up to c699404db182836498bd9d9a36ef044de2cab4fd:
>
>   Merge tag 'iwlwifi-for-kalle-2016-02-15' of https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes (2016-02-16 17:58:30 +0200)
>
> ----------------------------------------------------------------
>
> rtlwifi
>
> * fix broken VHT (802.11ac) support, reported by Linus

That's commit d76d65fd26951498144029c24852c4d54ee512d9

drivers/net/wireless/realtek/rtlwifi/rc.c: In function
‘_rtl_rc_rate_set_series’:
drivers/net/wireless/realtek/rtlwifi/rc.c:144: warning: comparison is
always false due to limited range of data type

                if (sta && sta->vht_cap.vht_supported &&
                    (wireless_mode == WIRELESS_MODE_AC_5G ||
                     wireless_mode == WIRELESS_MODE_AC_24G ||
                     wireless_mode == WIRELESS_MODE_AC_ONLY))
                        rate->flags |= IEEE80211_TX_RC_VHT_MCS;

u8 wireless_mode = 0;

enum wireless_mode {
        ...
        WIRELESS_MODE_AC_ONLY = 0x100,

How is that supposed to work?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds