intel-tss: Fix wrong written length in the Marshal commands

The written parameter should be set incrementally not absolutely.
Fortunately, this bug doesn't manifest in the current engine, because
there's no sequence of marshal commands, but it will manifest in
future updates.

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/intel-tss.h b/intel-tss.h
index 92cc035..0fda8c1 100644
--- a/intel-tss.h
+++ b/intel-tss.h
@@ -151,7 +151,7 @@ TSS_##TYPE##_Marshal(const TYPE *source, UINT16 *written,	\
 								\
 	*buffer += offset;					\
 	*size -= offset;					\
-	*written = offset;					\
+	*written += offset;					\
 								\
 	return rc;						\
 }