linux-kernel - [PATCH 2/8] tpm: print tpm2_commit_space() error inside tpm2_commit

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Date:   Sat,  3 Nov 2018 19:07:59 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     linux-integrity@...r.kernel.org
Cc:     linux-security-module@...r.kernel.org,
        James Bottomley <James.Bottomley@...senPartnership.com>,
        Tomas Winkler <tomas.winkler@...el.com>,
        Tadeusz Struk <tadeusz.struk@...el.com>,
        Stefan Berger <stefanb@...ux.vnet.ibm.com>,
        Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Peter Huewe <peterhuewe@....de>,
        Jason Gunthorpe <jgg@...pe.ca>, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 2/8] tpm: print tpm2_commit_space() error inside tpm2_commit_space()

The error logging for tpm2_commit_space() is in a wrong place. This
commit moves it inside that function.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
---
 drivers/char/tpm/tpm2-space.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/char/tpm/tpm2-space.c b/drivers/char/tpm/tpm2-space.c
index 1131a8e7b79b..5ecc73988f7c 100644
--- a/drivers/char/tpm/tpm2-space.c
+++ b/drivers/char/tpm/tpm2-space.c
@@ -501,19 +501,19 @@ int tpm2_commit_space(struct tpm_chip *chip, struct tpm_space *space,
 	rc = tpm2_map_response_header(chip, cc, buf, *bufsiz);
 	if (rc) {
 		tpm2_flush_space(chip);
-		return rc;
+		goto out;
 	}
 
 	rc = tpm2_map_response_body(chip, cc, buf, *bufsiz);
 	if (rc) {
 		tpm2_flush_space(chip);
-		return rc;
+		goto out;
 	}
 
 	rc = tpm2_save_space(chip);
 	if (rc) {
 		tpm2_flush_space(chip);
-		return rc;
+		goto out;
 	}
 
 	*bufsiz = be32_to_cpu(header->length);
@@ -526,4 +526,7 @@ int tpm2_commit_space(struct tpm_chip *chip, struct tpm_space *space,
 	memcpy(space->session_buf, chip->work_space.session_buf, PAGE_SIZE);
 
 	return 0;
+out:
+	dev_err(&chip->dev, "%s: error %d\n", __func__, rc);
+	return rc;
 }
-- 
2.19.1