linux-kernel - Re: [PATCH v2] tpm/st33zp24: Fix the name collisions in tpm_st33zp24_spi and tpm_i2c

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Date:   Tue, 05 Feb 2019 14:40:22 -0500
From:   James Bottomley <James.Bottomley@...senPartnership.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        linux-integrity@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org, roberto.sassu@...wei.com,
        zohar@...ux.ibm.com, stable@...r.kernel.org
Subject: Re: [PATCH v2] tpm/st33zp24: Fix the name collisions in
 tpm_st33zp24_spi and tpm_i2c_infineon

On Mon, 2019-02-04 at 15:37 +0200, Jarkko Sakkinen wrote:
> diff --git a/drivers/char/tpm/tpm_i2c_infineon.c
> b/drivers/char/tpm/tpm_i2c_infineon.c
> index 9086edc9066b..b9d5a1dda8d2 100644
> --- a/drivers/char/tpm/tpm_i2c_infineon.c
> +++ b/drivers/char/tpm/tpm_i2c_infineon.c
[...]
> @@ -527,8 +528,8 @@ static int tpm_tis_i2c_send(struct tpm_chip
> *chip, u8 *buf, size_t len)
>  	u8 retries = 0;
>  	u8 sts = TPM_STS_GO;
>  
> -	if (len > TPM_BUFSIZE)
> -		return -E2BIG;	/* command is too long for our
> tpm, sorry */
> +	if (len > TPM_I2C_INFINEON_BUFSIZE)

TPM_I2C_INFINEON_MAX_BUFSIZE, surely, otherwise it won't compile ...
the kbuild robot just spotted this as well.

James