HID: wacom: rename failN with some meaningful information

When we have to deal with new elements in probe, having the exit labels
named sequencially is a pain to maintain. Put a meaningful name instead
so that we do not have to renumber them on inserts.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Jason Gerecke <killertofu@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 2508628..97e1fef 100644 (file)
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -1075,7 +1075,7 @@ static int wacom_register_inputs(struct wacom *wacom)
        pad_input_dev = wacom_allocate_input(wacom);
        if (!input_dev || !pad_input_dev) {
                error = -ENOMEM;
-               goto fail1;
+               goto fail_allocate_input;
        }
 
        wacom_wac->input = input_dev;
@@ -1084,11 +1084,11 @@ static int wacom_register_inputs(struct wacom *wacom)
 
        error = wacom_setup_input_capabilities(input_dev, wacom_wac);
        if (error)
-               goto fail2;
+               goto fail_input_cap;
 
        error = input_register_device(input_dev);
        if (error)
-               goto fail2;
+               goto fail_register_input;
 
        error = wacom_setup_pad_input_capabilities(pad_input_dev, wacom_wac);
        if (error) {
@@ -1099,25 +1099,26 @@ static int wacom_register_inputs(struct wacom *wacom)
        } else {
                error = input_register_device(pad_input_dev);
                if (error)
-                       goto fail3;
+                       goto fail_register_pad_input;
 
                error = wacom_initialize_leds(wacom);
                if (error)
-                       goto fail4;
+                       goto fail_leds;
        }
 
        return 0;
 
-fail4:
+fail_leds:
        input_unregister_device(pad_input_dev);
        pad_input_dev = NULL;
-fail3:
+fail_register_pad_input:
        input_unregister_device(input_dev);
        input_dev = NULL;
-fail2:
+fail_register_input:
+fail_input_cap:
        wacom_wac->input = NULL;
        wacom_wac->pad_input = NULL;
-fail1:
+fail_allocate_input:
        if (input_dev)
                input_free_device(input_dev);
        if (pad_input_dev)
@@ -1305,7 +1306,7 @@ static int wacom_probe(struct hid_device *hdev,
        error = hid_parse(hdev);
        if (error) {
                hid_err(hdev, "parse failed\n");
-               goto fail1;
+               goto fail_parse;
        }
 
        wacom_wac = &wacom->wacom_wac;
@@ -1314,12 +1315,12 @@ static int wacom_probe(struct hid_device *hdev,
        features->pktlen = wacom_compute_pktlen(hdev);
        if (features->pktlen > WACOM_PKGLEN_MAX) {
                error = -EINVAL;
-               goto fail1;
+               goto fail_pktlen;
        }
 
        if (features->check_for_hid_type && features->hid_type != hdev->type) {
                error = -ENODEV;
-               goto fail1;
+               goto fail_type;
        }
 
        wacom->usbdev = dev;
@@ -1388,20 +1389,20 @@ static int wacom_probe(struct hid_device *hdev,
 
                error = wacom_add_shared_data(hdev);
                if (error)
-                       goto fail1;
+                       goto fail_shared_data;
        }
 
        if (!(features->quirks & WACOM_QUIRK_MONITOR) &&
             (features->quirks & WACOM_QUIRK_BATTERY)) {
                error = wacom_initialize_battery(wacom);
                if (error)
-                       goto fail2;
+                       goto fail_battery;
        }
 
        if (!(features->quirks & WACOM_QUIRK_NO_INPUT)) {
                error = wacom_register_inputs(wacom);
                if (error)
-                       goto fail3;
+                       goto fail_register_inputs;
        }
 
        if (hdev->bus == BUS_BLUETOOTH) {
@@ -1419,7 +1420,7 @@ static int wacom_probe(struct hid_device *hdev,
        error = hid_hw_start(hdev, HID_CONNECT_HIDRAW);
        if (error) {
                hid_err(hdev, "hw start failed\n");
-               goto fail4;
+               goto fail_hw_start;
        }
 
        if (features->quirks & WACOM_QUIRK_MONITOR)
@@ -1432,12 +1433,20 @@ static int wacom_probe(struct hid_device *hdev,
 
        return 0;
 
- fail4:        if (hdev->bus == BUS_BLUETOOTH)
+fail_hw_start:
+       wacom_unregister_inputs(wacom);
+       if (hdev->bus == BUS_BLUETOOTH)
                device_remove_file(&hdev->dev, &dev_attr_speed);
+fail_register_inputs:
        wacom_unregister_inputs(wacom);
- fail3:        wacom_destroy_battery(wacom);
- fail2:        wacom_remove_shared_data(wacom_wac);
- fail1:        kfree(wacom);
+       wacom_destroy_battery(wacom);
+fail_battery:
+       wacom_remove_shared_data(wacom_wac);
+fail_shared_data:
+fail_type:
+fail_pktlen:
+fail_parse:
+       kfree(wacom);
        hid_set_drvdata(hdev, NULL);
        return error;
 }