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

[Valdis.Kletnieks at vt.edu]

On Mon, 14 Jun 2010 13:26:44 PDT, "Justin P. Mattock" said:
> Im getting this warning when compiling:
>  CC      drivers/char/tpm/tpm.o
> drivers/char/tpm/tpm.c: In function 'tpm_gen_interrupt':
> drivers/char/tpm/tpm.c:508:10: warning: variable 'rc' set but not used
> 
> The below patch gets rid of the warning,
> but I'm not sure if it's the best solution.

>  	rc = transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE,
>  			"attempting to determine the timeouts");
> +	if (!rc)
> +		rc = 0;
>  }

Good thing that's a void function. ;)

Unless transmit_cmd() is marked 'must_check', maybe losing the 'rc =' would
be a better solution?
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