1 files changed, 23 insertions, 22 deletions

diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c
index edfa89160010..3b53b3e5ec3e 100644
--- a/drivers/char/tpm/tpm-sysfs.c
+++ b/drivers/char/tpm/tpm-sysfs.c
@@ -217,6 +217,7 @@ static ssize_t caps_show(struct device *dev, struct device_attribute *attr,
 			 char *buf)
 {
 	struct tpm_chip *chip = to_tpm_chip(dev);
+	struct tpm1_version *version;
 	ssize_t rc = 0;
 	char *str = buf;
 	cap_t cap;
@@ -232,31 +233,31 @@ static ssize_t caps_show(struct device *dev, struct device_attribute *attr,
 	str += sprintf(str, "Manufacturer: 0x%x\n",
 		       be32_to_cpu(cap.manufacturer_id));
 
-	/* Try to get a TPM version 1.2 TPM_CAP_VERSION_INFO */
-	rc = tpm1_getcap(chip, TPM_CAP_VERSION_1_2, &cap,
+	/* TPM 1.2 */
+	if (!tpm1_getcap(chip, TPM_CAP_VERSION_1_2, &cap,
 			 "attempting to determine the 1.2 version",
-			 sizeof(cap.tpm_version_1_2));
-	if (!rc) {
-		str += sprintf(str,
-			       "TCG version: %d.%d\nFirmware version: %d.%d\n",
-			       cap.tpm_version_1_2.Major,
-			       cap.tpm_version_1_2.Minor,
-			       cap.tpm_version_1_2.revMajor,
-			       cap.tpm_version_1_2.revMinor);
-	} else {
-		/* Otherwise just use TPM_STRUCT_VER */
-		if (tpm1_getcap(chip, TPM_CAP_VERSION_1_1, &cap,
-				"attempting to determine the 1.1 version",
-				sizeof(cap.tpm_version)))
-			goto out_ops;
-		str += sprintf(str,
-			       "TCG version: %d.%d\nFirmware version: %d.%d\n",
-			       cap.tpm_version.Major,
-			       cap.tpm_version.Minor,
-			       cap.tpm_version.revMajor,
-			       cap.tpm_version.revMinor);
+			 sizeof(cap.version2))) {
+		version = &cap.version2.version;
+		goto out_print;
 	}
+
+	/* TPM 1.1 */
+	if (tpm1_getcap(chip, TPM_CAP_VERSION_1_1, &cap,
+			"attempting to determine the 1.1 version",
+			sizeof(cap.version1))) {
+		goto out_ops;
+	}
+
+	version = &cap.version1;
+
+out_print:
+	str += sprintf(str,
+		       "TCG version: %d.%d\nFirmware version: %d.%d\n",
+		       version->major, version->minor,
+		       version->rev_major, version->rev_minor);
+
 	rc = str - buf;
+
 out_ops:
 	tpm_put_ops(chip);
 	return rc;