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authorJames Bottomley <James.Bottomley@HansenPartnership.com>2019-12-12 12:58:35 -0500
committerJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>2019-12-17 11:46:43 +0200
commit45477b3fe3d10376b649b1b85fce72b2f9f1da84 (patch)
treef69752a69b3338d21d95331963c7c86133d62cbf /include
parent21df4a8b6018b842d4db181a8b24166006bad3cd (diff)
downloadlinux-45477b3fe3d10376b649b1b85fce72b2f9f1da84.tar.bz2
security: keys: trusted: fix lost handle flush
The original code, before it was moved into security/keys/trusted-keys had a flush after the blob unseal. Without that flush, the volatile handles increase in the TPM until it becomes unusable and the system either has to be rebooted or the TPM volatile area manually flushed. Fix by adding back the lost flush, which we now have to export because of the relocation of the trusted key code may cause the consumer to be modular. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com> Fixes: 2e19e10131a0 ("KEYS: trusted: Move TPM2 trusted keys code") Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/tpm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/tpm.h b/include/linux/tpm.h
index 0d6e949ba315..03e9b184411b 100644
--- a/include/linux/tpm.h
+++ b/include/linux/tpm.h
@@ -403,6 +403,7 @@ extern int tpm_pcr_extend(struct tpm_chip *chip, u32 pcr_idx,
extern int tpm_send(struct tpm_chip *chip, void *cmd, size_t buflen);
extern int tpm_get_random(struct tpm_chip *chip, u8 *data, size_t max);
extern struct tpm_chip *tpm_default_chip(void);
+void tpm2_flush_context(struct tpm_chip *chip, u32 handle);
#else
static inline int tpm_is_tpm2(struct tpm_chip *chip)
{