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tpm: report driver error code to upper layer

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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>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Miquel Raynal
2018-05-15 11:57:11 +02:00
committed by Tom Rini
parent aa643013e4
commit bcdf6b9f26
1 changed files with 2 additions and 1 deletions
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3
lib/tpm-common.c
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@ -169,7 +169,8 @@ 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;