1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index 31b86e027f9d..3a3a7a548a85 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -450,7 +450,7 @@ static ssize_t tpm_try_transmit(struct tpm_chip *chip,
                 header->tag = cpu_to_be16(TPM2_ST_NO_SESSIONS);
                 header->return_code = cpu_to_be32(TPM2_RC_COMMAND_CODE |
                                                   TSS2_RESMGR_TPM_RC_LAYER);
-                return bufsiz;
+                return sizeof(*header);
         }
 
         if (bufsiz > TPM_BUFSIZE)