From 0afd9056f1b43c9fcbfdf933b263d72023d382fe Mon Sep 17 00:00:00 2001 From: Jason Gunthorpe Date: Fri, 18 Sep 2009 12:54:24 -0700 Subject: [PATCH] tpm-fixup-pcrs-sysfs-file-update Signed-off-by: Jason Gunthorpe Cc: Debora Velarde Cc: Rajiv Andrade Cc: Marcel Selhorst Cc: James Morris Signed-off-by: Andrew Morton Signed-off-by: James Morris --- drivers/char/tpm/tpm.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index b0603b2e5684..1f32b520ca26 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -742,7 +742,7 @@ EXPORT_SYMBOL_GPL(tpm_pcr_read); * the module usage count. */ #define TPM_ORD_PCR_EXTEND cpu_to_be32(20) -#define EXTEND_PCR_SIZE 34 +#define EXTEND_PCR_RESULT_SIZE 34 static struct tpm_input_header pcrextend_header = { .tag = TPM_TAG_RQU_COMMAND, .length = cpu_to_be32(34), @@ -760,10 +760,9 @@ int tpm_pcr_extend(u32 chip_num, int pcr_idx, const u8 *hash) return -ENODEV; cmd.header.in = pcrextend_header; - BUILD_BUG_ON(be32_to_cpu(cmd.header.in.length) > EXTEND_PCR_SIZE); cmd.params.pcrextend_in.pcr_idx = cpu_to_be32(pcr_idx); memcpy(cmd.params.pcrextend_in.hash, hash, TPM_DIGEST_SIZE); - rc = transmit_cmd(chip, &cmd, cmd.header.in.length, + rc = transmit_cmd(chip, &cmd, EXTEND_PCR_RESULT_SIZE, "attempting extend a PCR value"); module_put(chip->dev->driver->owner); -- 2.20.1