linux-kernel - Re: [PATCH] Staging: fbtft: Fix iomem dereference

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: <20150818085731.GL5558@mwanda>
Date:	Tue, 18 Aug 2015 11:57:31 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Ronit Halder <ronit.crj@...il.com>
Cc:	thomas.petazzoni@...e-electrons.com, devel@...verdev.osuosl.org,
	gregkh@...uxfoundation.org, noralf@...nnes.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Staging: fbtft: Fix iomem dereference

On Tue, Aug 18, 2015 at 12:16:57PM +0530, Ronit Halder wrote:
> This patch fixes the warning generated by sparse
> "cast removes address space of expression" by using ioread16
> function insted of directly dereferencing I/O memory.
> 
> Signed-off-by: Ronit halder <ronit.crj@...il.com>

Are these really iomem pointers?  A lot of drivers use a fake
screen_base which is just a buffer of normal memory.

regards,
dan carpenter

--
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/