[PATCH] tpm: fix a sparse error in tpm-interface.c

From	Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Newsgroups	linux.kernel
Subject	[PATCH] tpm: fix a sparse error in tpm-interface.c
Date	2017-01-31 19:10 +0100
Message-ID	<t5L2p-3UK-9@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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drivers/char/tpm//tpm-interface.c:492:42: warning: bad assignment (-=)
to restricted __be32

Fixes: 0883743825e3 ("TPM: sysfs functions consolidation")
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
---
 drivers/char/tpm/tpm-interface.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index 423938e..746bc54 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -489,7 +489,7 @@ ssize_t tpm_getcap(struct tpm_chip *chip, u32 subcap_id, cap_t *cap,
 		tpm_cmd.params.getcap_in.cap = cpu_to_be32(subcap_id);
 		/*subcap field not necessary */
 		tpm_cmd.params.getcap_in.subcap_size = cpu_to_be32(0);
-		tpm_cmd.header.in.length -= cpu_to_be32(sizeof(__be32));
+		tpm_cmd.header.in.length = cpu_to_be32(18);
 	} else {
 		if (subcap_id == TPM_CAP_FLAG_PERM ||
 		    subcap_id == TPM_CAP_FLAG_VOL)
-- 
2.9.3

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[PATCH] tpm: fix a sparse error in tpm-interface.c Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-01-31 19:10 +0100
  Re: [tpmdd-devel] [PATCH] tpm: fix a sparse error in tpm-interface.c James Bottomley <James.Bottomley@HansenPartnership.com> - 2017-01-31 20:20 +0100
    Re: [tpmdd-devel] [PATCH] tpm: fix a sparse error in tpm-interface.c Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2017-01-31 22:00 +0100

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