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authorJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>2019-02-08 18:30:58 +0200
committerJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>2019-02-13 09:46:26 +0200
commitf5595f5baa30e009bf54d0d7653a9a0cc465be60 (patch)
tree87fc6fd0cbd081a44bf6dd96383976a74b625aee /drivers/char/tpm/st33zp24/st33zp24.c
parent6ea3dfe1e0732c5bd3be1e073690b06a83c03c25 (diff)
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/st33zp24/st33zp24.c')
-rw-r--r--drivers/char/tpm/st33zp24/st33zp24.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/tpm/st33zp24/st33zp24.c b/drivers/char/tpm/st33zp24/st33zp24.c
index 64dc560859f2..13dc614b7ebc 100644
--- a/drivers/char/tpm/st33zp24/st33zp24.c
+++ b/drivers/char/tpm/st33zp24/st33zp24.c
@@ -436,7 +436,7 @@ static int st33zp24_send(struct tpm_chip *chip, unsigned char *buf,
goto out_err;
}
- return len;
+ return 0;
out_err:
st33zp24_cancel(chip);
release_locality(chip);