linux-kernel - Re: [PATCH 4/8]drivers:tmp.c Fix warning: variable 'rc' set but not used

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Date:	Mon, 14 Jun 2010 20:56:44 -0700
From:	"Justin P. Mattock" <justinmattock@...il.com>
To:	Valdis.Kletnieks@...edu
CC:	linux-kernel@...r.kernel.org, reiserfs-devel@...r.kernel.org,
	linux-bluetooth@...r.kernel.org, clemens@...isch.de,
	debora@...ux.vnet.ibm.com, dri-devel@...ts.freedesktop.org,
	linux-i2c@...r.kernel.org, linux1394-devel@...ts.sourceforge.net,
	linux-media@...r.kernel.org
Subject: Re: [PATCH 4/8]drivers:tmp.c Fix warning: variable 'rc' set but not
 used

On 06/14/2010 08:49 PM, Valdis.Kletnieks@...edu wrote:
> On Mon, 14 Jun 2010 19:12:31 PDT, "Justin P. Mattock" said:
>
>> what I tried was this:
>>
>> if (!rc)
>> 	printk("test........"\n")
>>
>> and everything looked good,
>> but as a soon as I changed
>>
>> rc = transmit_cmd(chip,&tpm_cmd, TPM_INTERNAL_RESULT_SIZE,
>>      			"attempting to determine the timeouts");
>>
>> to this:
>>
>> rc = transmit_cmd(chip,&tpm_cmd, TPM_INTERNAL_RESULT_SIZE);
>>
>> if (!rc)
>> 	printk("attempting to determine the timeouts\n");
>
> *baffled* Why did you think that would work? transmit_cmd()s signature
> has 4 parameters.

I have no manual in front of me. Did a quick google, but came up with 
(no hits) info on what that function does. grep showed too many entries 
to really see why/what this is. So I kind of just scrambled with this one.

Justin P. Mattock
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