linux-kernel - Re: [PATCH 1/7] w35und: Kill dead HAL macros in wbhal

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sun, 19 Sep 2010 23:42:27 +0200
From:	Pavel Machek <pavel@....cz>
To:	Pekka Enberg <penberg@...nel.org>
Cc:	gregkh@...e.de, linux-kernel@...r.kernel.org,
	Lars Lindley <lindley@...ote.org>,
	Ruslan Pisarev <ruslan@...sarev.org.ua>
Subject: Re: [PATCH 1/7] w35und: Kill dead HAL macros in wbhal_f.h

Hi!

> Fixes an uninitialized variable access in _rx_iq_calibration_loop_winbond():
> 
>     CC [M]  drivers/staging/winbond/phy_calibration.o
>   drivers/staging/winbond/phy_calibration.c: In function ???_rx_iq_calibration_loop_winbond???:
>   drivers/staging/winbond/phy_calibration.c:1138: warning: ???val??? is used uninitialized in this function
> 

Are you sure this is correct?

> @@ -1132,18 +1132,6 @@ u8 _rx_iq_calibration_loop_winbond(struct hw_data *phw_data, u16 factor, u32 fre
>  	PHY_DEBUG(("[CAL] -> [5]_rx_iq_calibration_loop()\n"));
>  	PHY_DEBUG(("[CAL] ** factor = %d\n", factor));
>  
> -
> -/* RF Control Override */
> -	hw_get_cxx_reg(phw_data, 0x80, &val);
> -	val |= BIT(19);
> -	hw_set_cxx_reg(phw_data, 0x80, val);
> -

We pass pointer to val somewhere, set a bit, write it back. Seems ok
to me...?

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/