Re: [PATCH v2] tpm: ibmvtpm: fix error return code in tpm_ibmvtpm_probe()

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On Mon, Jan 25, 2021 at 08:47:53PM -0500, Stefan Berger wrote:
> From: Stefan Berger <stefanb@xxxxxxxxxxxxx>
> 
> Return error code -ETIMEDOUT rather than '0' when waiting for the
> rtce_buf to be set has timed out.
> 
> Fixes: d8d74ea3c002 ("tpm: ibmvtpm: Wait for buffer to be set before proceeding")
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: Wang Hai <wanghai38@xxxxxxxxxx>
> Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>
> ---

Reviewed-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>

Thanks! Should I add

Cc: stable@xxxxxxxxxxxxxxx to this?

/Jarkko


>  drivers/char/tpm/tpm_ibmvtpm.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c
> index 994385bf37c0..813eb2cac0ce 100644
> --- a/drivers/char/tpm/tpm_ibmvtpm.c
> +++ b/drivers/char/tpm/tpm_ibmvtpm.c
> @@ -687,6 +687,7 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev,
>  				ibmvtpm->rtce_buf != NULL,
>  				HZ)) {
>  		dev_err(dev, "CRQ response timed out\n");
> +		rc = -ETIMEDOUT;
>  		goto init_irq_cleanup;
>  	}
>  
> -- 
> 2.25.4
> 
> 



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