linux-kernel - Re: [patch 3/3] Add tsi108 On Chip Ethernet device driver support

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:	Tue, 12 Sep 2006 10:43:21 -0400
From:	Jeff Garzik <jgarzik@...ox.com>
To:	Roland Dreier <rdreier@...co.com>
CC:	Zang Roy-r61911 <tie-fei.zang@...escale.com>,
	Andrew Morton <akpm@...l.org>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 3/3] Add tsi108 On Chip Ethernet device driver support

Roland Dreier wrote:
>  > +struct tsi108_prv_data {
>  > +	volatile u32 regs;	/* Base of normal regs */
>  > +	volatile u32 phyregs;	/* Base of register bank used for PHY access */
> 
> Why volatile?  This looks really wrong here.

Indeed.


>  > +	data->regs = (u32)ioremap(einfo->regs, 0x400);	/*FIX ME */
>  > +	data->phyregs = (u32)ioremap(einfo->phyregs, 0x400); 	/*FIX ME */
> 
> What needs to be fixed here?  And why are you casting the result of
> ioremap to u32?  Shouldn't you keep the normal return value?

Oh, that's very, very wrong.

	Jeff



-
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/