linux-kernel - Re: [PATCH] rt28xx: Make PCI_{MAP,UNMAP}

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]

Message-Id: <20100329105129Y.fujita.tomonori@lab.ntt.co.jp>
Date:	Mon, 29 Mar 2010 10:52:02 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	ben@...adent.org.uk
Cc:	bzolnier@...il.com, gregkh@...e.de, linux-wireless@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rt28xx: Make PCI_{MAP,UNMAP}_SINGLE type-safe

On Mon, 29 Mar 2010 01:24:45 +0100
Ben Hutchings <ben@...adent.org.uk> wrote:

> To avoid recurrence of bugs such as <http://bugs.debian.org/575726>,
> change the type of the first parameter to linux_pci_{map,unmap}_single()
> from void * to struct rt_rtmp_adapter *.  Also do not define the macros
> PCI_{MAP,UNMAP}_SINGLE() when building the rt2870sta driver; they are
> not used and if they were that would be a bug.
> 
> Signed-off-by: Ben Hutchings <ben@...adent.org.uk> 
> ---
>  drivers/staging/rt2860/rt_linux.h    |   14 +++++---------
>  drivers/staging/rt2860/rt_pci_rbus.c |   12 ++++--------
>  2 files changed, 9 insertions(+), 17 deletions(-)

I think using dma_map_single directly instead of inventing a wrapper
function make the code more readable.
--
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/