linux-kernel - Re: [PATCH v1.3 2/4] key: add tpm

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Date:	Thu, 11 Nov 2010 19:48:51 +0000
From:	David Howells <dhowells@...hat.com>
To:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
Cc:	dhowells@...hat.com, linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org, keyrings@...ux-nfs.org,
	linux-crypto@...r.kernel.org,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	James Morris <jmorris@...ei.org>,
	David Safford <safford@...son.ibm.com>,
	Rajiv Andrade <srajiv@...ux.vnet.ibm.com>
Subject: Re: [PATCH v1.3 2/4] key: add tpm_send command

Mimi Zohar <zohar@...ux.vnet.ibm.com> wrote:

> Reviewd-by: Mimi Zohar <zohar@...son.ibm.com>

You've missed an 'e'.

> +int tpm_send(u32 chip_num, char *cmd, int buflen)
> +{
> ...
> +	rc = transmit_cmd(chip, (struct tpm_cmd_t *)cmd, buflen,
> +			  "attempting tpm_cmd");

Make cmd 'void *' to obviate the cast.  Preferably it should be const too.

> +	module_put(chip->dev->driver->owner);

Where's the corresponding module_get()?  I suspect this should be wrapped to
match tpm_chip_find_get().

David
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