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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-23 15:18:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-23 15:18:57 -0700
commitc82ffab9a857f8286ed2b559624b7005a367b638 (patch)
treea5d0895a0b55c2db1bf36f517ca273e7e0abdf71 /drivers/char/tpm
parenta724eada8c2a7b62463b73ccf73fd0bb6e928aeb (diff)
parent5224ee086321fec78970e2f2805892d2b34e8957 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6: SELinux: do not destroy the avc_cache_nodep KEYS: Have the garbage collector set its timer for live expired keys tpm-fixup-pcrs-sysfs-file-update creds_are_invalid() needs to be exported for use by modules: include/linux/cred.h: fix build Fix trivial BUILD_BUG_ON-induced conflicts in drivers/char/tpm/tpm.c
Diffstat (limited to 'drivers/char/tpm')
-rw-r--r--drivers/char/tpm/tpm.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 32b957efa420..45d58002b06c 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;
- 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);