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| author | Jarkko Sakkinen | 2019-02-08 17:30:58 +0100 |
|---|---|---|
| committer | Jarkko Sakkinen | 2019-02-13 08:46:26 +0100 |
| commit | f5595f5baa30e009bf54d0d7653a9a0cc465be60 (patch) | |
| tree | 87fc6fd0cbd081a44bf6dd96383976a74b625aee /drivers/char/tpm/tpm_infineon.c | |
| parent | selftests: add TPM 2.0 tests (diff) | |
| download | kernel-qcow2-linux-f5595f5baa30e009bf54d0d7653a9a0cc465be60.tar.gz kernel-qcow2-linux-f5595f5baa30e009bf54d0d7653a9a0cc465be60.tar.xz kernel-qcow2-linux-f5595f5baa30e009bf54d0d7653a9a0cc465be60.zip | |
tpm: Unify the send callback behaviour
The send() callback should never return length as it does not in every
driver except tpm_crb in the success case. The reason is that the main
transmit functionality only cares about whether the transmit was
successful or not and ignores the count completely.
Suggested-by: Stefan Berger <stefanb@linux.ibm.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Tested-by: Alexander Steffen <Alexander.Steffen@infineon.com>
Diffstat (limited to 'drivers/char/tpm/tpm_infineon.c')
| -rw-r--r-- | drivers/char/tpm/tpm_infineon.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/tpm/tpm_infineon.c b/drivers/char/tpm/tpm_infineon.c index d8f10047fbba..97f6d4fe0aee 100644 --- a/drivers/char/tpm/tpm_infineon.c +++ b/drivers/char/tpm/tpm_infineon.c @@ -354,7 +354,7 @@ static int tpm_inf_send(struct tpm_chip *chip, u8 * buf, size_t count) for (i = 0; i < count; i++) { wait_and_send(chip, buf[i]); } - return count; + return 0; } static void tpm_inf_cancel(struct tpm_chip *chip) |