[U-Boot] [PATCH v4 15/32] tpm: report driver error code to upper layer

Miquel Raynal
2018-05-15T09:57:11Z

Instead of returning a generic 'library' error, report back the actual
error code so it can be displayed to the user by the regular error path.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---
lib/tpm-common.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/tpm-common.c b/lib/tpm-common.c
index 57832debf3..08e2c2ad44 100644
--- a/lib/tpm-common.c
+++ b/lib/tpm-common.c
@@ -170,7 +170,8 @@ u32 tpm_sendrecv_command(const void *command, void *response, size_t *size_ptr)
response, &response_length);

if (err < 0)
- return TPM_LIB_ERROR;
+ return err;
+
if (size_ptr)
*size_ptr = response_length;

--
2.14.1