i2c: acpi: Replace custom function with device_match_acpi_handle()

Since driver core provides a generic device_match_acpi_handle()
we may replace the custom one with it. This unifies code to find
an adapter with the similar one which finds a client.

Acked-by: Wolfram Sang <[e-mail]>
Signed-off-by: Andy Shevchenko <[e-mail]>
Reviewed-by: Rafael J. Wysocki <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/i2c/i2c-core-acpi.c

···
 }
 EXPORT_SYMBOL_GPL(i2c_acpi_find_bus_speed);
 
-static int i2c_acpi_find_match_adapter(struct device *dev, const void *data)
-{
-	struct i2c_adapter *adapter = i2c_verify_adapter(dev);
-
-	if (!adapter)
-		return 0;
-
-	return ACPI_HANDLE(dev) == (acpi_handle)data;
-}
-
 struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle)
 {
+	struct i2c_adapter *adapter;
 	struct device *dev;
 
-	dev = bus_find_device(&i2c_bus_type, NULL, handle,
-			      i2c_acpi_find_match_adapter);
+	dev = bus_find_device(&i2c_bus_type, NULL, handle, device_match_acpi_handle);
+	if (!dev)
+		return NULL;
 
-	return dev ? i2c_verify_adapter(dev) : NULL;
+	adapter = i2c_verify_adapter(dev);
+	if (!adapter)
+		put_device(dev);
+
+	return adapter;
 }
 EXPORT_SYMBOL_GPL(i2c_acpi_find_adapter_by_handle);