[PATCH] tpm add default function definitions

[Mimi Zohar]

Add default tpm_pcr_read/extend function definitions required
by IMA/Kconfig changes.

Signed-off-by: Mimi Zohar <zohar@xxxxxxxxxx>
Cc: Stable Kernel <stable@xxxxxxxxxx>
---
 include/linux/tpm.h |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/include/linux/tpm.h b/include/linux/tpm.h
index 3338b3f..8eaa8f8 100644
--- a/include/linux/tpm.h
+++ b/include/linux/tpm.h
@@ -31,5 +31,12 @@
 
 extern int tpm_pcr_read(u32 chip_num, int pcr_idx, u8 *res_buf);
 extern int tpm_pcr_extend(u32 chip_num, int pcr_idx, const u8 *hash);
+#else
+static inline int tpm_pcr_read(u32 chip_num, int pcr_idx, u8 *res_buf) {
+	return -ENODEV;
+}
+static inline int tpm_pcr_extend(u32 chip_num, int pcr_idx, const u8 *hash) {
+	return -ENODEV;
+}
 #endif
 #endif
-- 
1.6.0.6

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