tpm_crb: Fix an error handling path in crb_acpi_add()

Some error paths don't call acpi_put_table() before returning.
Branch to the correct place instead of doing some direct return.

Fixes: 4d2732882703 ("tpm_crb: Add support for CRB devices based on Pluton")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Matthew Garrett <mgarrett@aurora.tech>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>

diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 9eb1a18..65ff4d2 100644 (file)
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -797,12 +797,13 @@ static int crb_acpi_add(struct acpi_device *device)
                                FW_BUG "TPM2 ACPI table has wrong size %u for start method type %d\n",
                                buf->header.length,
                                ACPI_TPM2_COMMAND_BUFFER_WITH_PLUTON);
-                       return -EINVAL;
+                       rc = -EINVAL;
+                       goto out;
                }
                crb_pluton = ACPI_ADD_PTR(struct tpm2_crb_pluton, buf, sizeof(*buf));
                rc = crb_map_pluton(dev, priv, buf, crb_pluton);
                if (rc)
-                       return rc;
+                       goto out;
        }
 
        priv->sm = sm;