eeprom: at24: drop unnecessary label

If we move the nvmem registration above the pm enable calls and the
test read, we can drop the error label and make the code more readable
as there's now only a single place where we must call
pm_runtime_disable() in error path.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>

drivers/misc/eeprom/at24.c

@@ -685,23 +685,6 @@ static int at24_probe(struct i2c_client *client)
 			return err;
 	}
 
-	i2c_set_clientdata(client, at24);
-
-	/* enable runtime pm */
-	pm_runtime_set_active(dev);
-	pm_runtime_enable(dev);
-
-	/*
-	 * Perform a one-byte test read to verify that the
-	 * chip is functional.
-	 */
-	err = at24_read(at24, 0, &test_byte, 1);
-	pm_runtime_idle(dev);
-	if (err) {
-		err = -ENODEV;
-		goto err_runtime_pm;
-	}
-
 	nvmem_config.name = dev_name(dev);
 	nvmem_config.dev = dev;
 	nvmem_config.read_only = !writable;
@@ -717,9 +700,24 @@ static int at24_probe(struct i2c_client *client)
 	nvmem_config.size = byte_len;
 
 	at24->nvmem = devm_nvmem_register(dev, &nvmem_config);
-	if (IS_ERR(at24->nvmem)) {
-		err = PTR_ERR(at24->nvmem);
-		goto err_runtime_pm;
+	if (IS_ERR(at24->nvmem))
+		return PTR_ERR(at24->nvmem);
+
+	i2c_set_clientdata(client, at24);
+
+	/* enable runtime pm */
+	pm_runtime_set_active(dev);
+	pm_runtime_enable(dev);
+
+	/*
+	 * Perform a one-byte test read to verify that the
+	 * chip is functional.
+	 */
+	err = at24_read(at24, 0, &test_byte, 1);
+	pm_runtime_idle(dev);
+	if (err) {
+		pm_runtime_disable(dev);
+		return -ENODEV;
 	}
 
 	dev_info(dev, "%u byte %s EEPROM, %s, %u bytes/write\n",
@@ -727,11 +725,6 @@ static int at24_probe(struct i2c_client *client)
 		 writable ? "writable" : "read-only", at24->write_max);
 
 	return 0;
-
-err_runtime_pm:
-	pm_runtime_disable(dev);
-
-	return err;
 }
 
 static int at24_remove(struct i2c_client *client)