1 files changed, 35 insertions, 49 deletions

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sysfs.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sysfs.c
index d118def16f35..e74ae3682733 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sysfs.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sysfs.c
@@ -111,29 +111,29 @@ static int ixgbe_add_hwmon_attr(struct ixgbe_adapter *adapter,
 	unsigned int n_attr;
 	struct hwmon_attr *ixgbe_attr;
 
-	n_attr = adapter->ixgbe_hwmon_buff.n_hwmon;
-	ixgbe_attr = &adapter->ixgbe_hwmon_buff.hwmon_list[n_attr];
+	n_attr = adapter->ixgbe_hwmon_buff->n_hwmon;
+	ixgbe_attr = &adapter->ixgbe_hwmon_buff->hwmon_list[n_attr];
 
 	switch (type) {
 	case IXGBE_HWMON_TYPE_LOC:
 		ixgbe_attr->dev_attr.show = ixgbe_hwmon_show_location;
 		snprintf(ixgbe_attr->name, sizeof(ixgbe_attr->name),
-			 "temp%u_label", offset);
+			 "temp%u_label", offset + 1);
 		break;
 	case IXGBE_HWMON_TYPE_TEMP:
 		ixgbe_attr->dev_attr.show = ixgbe_hwmon_show_temp;
 		snprintf(ixgbe_attr->name, sizeof(ixgbe_attr->name),
-			 "temp%u_input", offset);
+			 "temp%u_input", offset + 1);
 		break;
 	case IXGBE_HWMON_TYPE_CAUTION:
 		ixgbe_attr->dev_attr.show = ixgbe_hwmon_show_cautionthresh;
 		snprintf(ixgbe_attr->name, sizeof(ixgbe_attr->name),
-			 "temp%u_max", offset);
+			 "temp%u_max", offset + 1);
 		break;
 	case IXGBE_HWMON_TYPE_MAX:
 		ixgbe_attr->dev_attr.show = ixgbe_hwmon_show_maxopthresh;
 		snprintf(ixgbe_attr->name, sizeof(ixgbe_attr->name),
-			 "temp%u_crit", offset);
+			 "temp%u_crit", offset + 1);
 		break;
 	default:
 		rc = -EPERM;
@@ -147,32 +147,17 @@ static int ixgbe_add_hwmon_attr(struct ixgbe_adapter *adapter,
 	ixgbe_attr->dev_attr.store = NULL;
 	ixgbe_attr->dev_attr.attr.mode = S_IRUGO;
 	ixgbe_attr->dev_attr.attr.name = ixgbe_attr->name;
+	sysfs_attr_init(&ixgbe_attr->dev_attr.attr);
 
-	rc = device_create_file(&adapter->pdev->dev,
-				&ixgbe_attr->dev_attr);
+	adapter->ixgbe_hwmon_buff->attrs[n_attr] = &ixgbe_attr->dev_attr.attr;
 
-	if (rc == 0)
-		++adapter->ixgbe_hwmon_buff.n_hwmon;
+	++adapter->ixgbe_hwmon_buff->n_hwmon;
 
-	return rc;
+	return 0;
 }
 
 static void ixgbe_sysfs_del_adapter(struct ixgbe_adapter *adapter)
 {
-	int i;
-
-	if (adapter == NULL)
-		return;
-
-	for (i = 0; i < adapter->ixgbe_hwmon_buff.n_hwmon; i++) {
-		device_remove_file(&adapter->pdev->dev,
-			   &adapter->ixgbe_hwmon_buff.hwmon_list[i].dev_attr);
-	}
-
-	kfree(adapter->ixgbe_hwmon_buff.hwmon_list);
-
-	if (adapter->ixgbe_hwmon_buff.device)
-		hwmon_device_unregister(adapter->ixgbe_hwmon_buff.device);
 }
 
 /* called from ixgbe_main.c */
@@ -184,9 +169,9 @@ void ixgbe_sysfs_exit(struct ixgbe_adapter *adapter)
 /* called from ixgbe_main.c */
 int ixgbe_sysfs_init(struct ixgbe_adapter *adapter)
 {
-	struct hwmon_buff *ixgbe_hwmon = &adapter->ixgbe_hwmon_buff;
+	struct hwmon_buff *ixgbe_hwmon;
+	struct device *hwmon_dev;
 	unsigned int i;
-	int n_attrs;
 	int rc = 0;
 
 	/* If this method isn't defined we don't support thermals */
@@ -198,23 +183,13 @@ int ixgbe_sysfs_init(struct ixgbe_adapter *adapter)
 	if (adapter->hw.mac.ops.init_thermal_sensor_thresh(&adapter->hw))
 		goto exit;
 
-	/*
-	 * Allocation space for max attributs
-	 * max num sensors * values (loc, temp, max, caution)
-	 */
-	n_attrs = IXGBE_MAX_SENSORS * 4;
-	ixgbe_hwmon->hwmon_list = kcalloc(n_attrs, sizeof(struct hwmon_attr),
-					  GFP_KERNEL);
-	if (!ixgbe_hwmon->hwmon_list) {
+	ixgbe_hwmon = devm_kzalloc(&adapter->pdev->dev, sizeof(*ixgbe_hwmon),
+				   GFP_KERNEL);
+	if (ixgbe_hwmon == NULL) {
 		rc = -ENOMEM;
-		goto err;
-	}
-
-	ixgbe_hwmon->device = hwmon_device_register(&adapter->pdev->dev);
-	if (IS_ERR(ixgbe_hwmon->device)) {
-		rc = PTR_ERR(ixgbe_hwmon->device);
-		goto err;
+		goto exit;
 	}
+	adapter->ixgbe_hwmon_buff = ixgbe_hwmon;
 
 	for (i = 0; i < IXGBE_MAX_SENSORS; i++) {
 		/*
@@ -226,17 +201,28 @@ int ixgbe_sysfs_init(struct ixgbe_adapter *adapter)
 
 		/* Bail if any hwmon attr struct fails to initialize */
 		rc = ixgbe_add_hwmon_attr(adapter, i, IXGBE_HWMON_TYPE_CAUTION);
-		rc |= ixgbe_add_hwmon_attr(adapter, i, IXGBE_HWMON_TYPE_LOC);
-		rc |= ixgbe_add_hwmon_attr(adapter, i, IXGBE_HWMON_TYPE_TEMP);
-		rc |= ixgbe_add_hwmon_attr(adapter, i, IXGBE_HWMON_TYPE_MAX);
 		if (rc)
-			goto err;
+			goto exit;
+		rc = ixgbe_add_hwmon_attr(adapter, i, IXGBE_HWMON_TYPE_LOC);
+		if (rc)
+			goto exit;
+		rc = ixgbe_add_hwmon_attr(adapter, i, IXGBE_HWMON_TYPE_TEMP);
+		if (rc)
+			goto exit;
+		rc = ixgbe_add_hwmon_attr(adapter, i, IXGBE_HWMON_TYPE_MAX);
+		if (rc)
+			goto exit;
 	}
 
-	goto exit;
+	ixgbe_hwmon->groups[0] = &ixgbe_hwmon->group;
+	ixgbe_hwmon->group.attrs = ixgbe_hwmon->attrs;
 
-err:
-	ixgbe_sysfs_del_adapter(adapter);
+	hwmon_dev = devm_hwmon_device_register_with_groups(&adapter->pdev->dev,
+							   "ixgbe",
+							   ixgbe_hwmon,
+							   ixgbe_hwmon->groups);
+	if (IS_ERR(hwmon_dev))
+		rc = PTR_ERR(hwmon_dev);
 exit:
 	return rc;
 }