diff options
author | James Morris <jmorris@namei.org> | 2009-09-29 17:47:33 -0400 |
---|---|---|
committer | James Morris <jmorris@namei.org> | 2009-09-29 17:47:33 -0400 |
commit | 1669b049db50fc7f1d4e694fb115a0f408c63fce (patch) | |
tree | 9b3b90b5cbff9b8f30ecf0b2a44896ce8bef0c20 /drivers/char/tpm/tpm.c | |
parent | 7f366784f5c2b8fc0658b5b374f4c63ee42c789f (diff) | |
parent | 17d857be649a21ca90008c6dc425d849fa83db5c (diff) |
Merge branch 'master' into next
Diffstat (limited to 'drivers/char/tpm/tpm.c')
-rw-r--r-- | drivers/char/tpm/tpm.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index f4c68abf2a15..aeafac5bde8c 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c | |||
@@ -696,7 +696,7 @@ int __tpm_pcr_read(struct tpm_chip *chip, int pcr_idx, u8 *res_buf) | |||
696 | 696 | ||
697 | cmd.header.in = pcrread_header; | 697 | cmd.header.in = pcrread_header; |
698 | cmd.params.pcrread_in.pcr_idx = cpu_to_be32(pcr_idx); | 698 | cmd.params.pcrread_in.pcr_idx = cpu_to_be32(pcr_idx); |
699 | BUILD_BUG_ON(cmd.header.in.length > READ_PCR_RESULT_SIZE); | 699 | BUG_ON(cmd.header.in.length > READ_PCR_RESULT_SIZE); |
700 | rc = transmit_cmd(chip, &cmd, cmd.header.in.length, | 700 | rc = transmit_cmd(chip, &cmd, cmd.header.in.length, |
701 | "attempting to read a pcr value"); | 701 | "attempting to read a pcr value"); |
702 | 702 | ||
@@ -742,7 +742,7 @@ EXPORT_SYMBOL_GPL(tpm_pcr_read); | |||
742 | * the module usage count. | 742 | * the module usage count. |
743 | */ | 743 | */ |
744 | #define TPM_ORD_PCR_EXTEND cpu_to_be32(20) | 744 | #define TPM_ORD_PCR_EXTEND cpu_to_be32(20) |
745 | #define EXTEND_PCR_SIZE 34 | 745 | #define EXTEND_PCR_RESULT_SIZE 34 |
746 | static struct tpm_input_header pcrextend_header = { | 746 | static struct tpm_input_header pcrextend_header = { |
747 | .tag = TPM_TAG_RQU_COMMAND, | 747 | .tag = TPM_TAG_RQU_COMMAND, |
748 | .length = cpu_to_be32(34), | 748 | .length = cpu_to_be32(34), |
@@ -760,10 +760,9 @@ int tpm_pcr_extend(u32 chip_num, int pcr_idx, const u8 *hash) | |||
760 | return -ENODEV; | 760 | return -ENODEV; |
761 | 761 | ||
762 | cmd.header.in = pcrextend_header; | 762 | cmd.header.in = pcrextend_header; |
763 | BUILD_BUG_ON(be32_to_cpu(cmd.header.in.length) > EXTEND_PCR_SIZE); | ||
764 | cmd.params.pcrextend_in.pcr_idx = cpu_to_be32(pcr_idx); | 763 | cmd.params.pcrextend_in.pcr_idx = cpu_to_be32(pcr_idx); |
765 | memcpy(cmd.params.pcrextend_in.hash, hash, TPM_DIGEST_SIZE); | 764 | memcpy(cmd.params.pcrextend_in.hash, hash, TPM_DIGEST_SIZE); |
766 | rc = transmit_cmd(chip, &cmd, cmd.header.in.length, | 765 | rc = transmit_cmd(chip, &cmd, EXTEND_PCR_RESULT_SIZE, |
767 | "attempting extend a PCR value"); | 766 | "attempting extend a PCR value"); |
768 | 767 | ||
769 | module_put(chip->dev->driver->owner); | 768 | module_put(chip->dev->driver->owner); |