linux-kernel - Re: [PATCH 3/3] video: xilinxfb: Simplify error path

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:	Mon, 16 Sep 2013 12:51:57 +0300
From:	Tomi Valkeinen <tomi.valkeinen@...com>
To:	Michal Simek <michal.simek@...inx.com>
CC:	<linux-kernel@...r.kernel.org>, <monstr@...str.eu>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	<linux-fbdev@...r.kernel.org>
Subject: Re: [PATCH 3/3] video: xilinxfb: Simplify error path

On 12/09/13 08:54, Michal Simek wrote:

> @@ -394,16 +382,12 @@ static int xilinxfb_release(struct device *dev)
>  	/* Turn off the display */
>  	xilinx_fb_out32(drvdata, REG_CTRL, 0);
> 
> -	/* Release the resources, as allocated based on interface */
> -	if (drvdata->flags & BUS_ACCESS_FLAG)
> -		devm_iounmap(dev, drvdata->regs);
>  #ifdef CONFIG_PPC_DCR
> -	else
> +	/* Release the resources, as allocated based on interface */
> +	if (!(drvdata->flags & BUS_ACCESS_FLAG))
>  		dcr_unmap(drvdata->dcr_host, drvdata->dcr_len);
>  #endif

I might be mistaken, and it's not strictly part of this series, but
shouldn't dcr_unmap be called somewhere else also, if the probe fails?

 Tomi



Download attachment "signature.asc" of type "application/pgp-signature" (902 bytes)