diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index b696ac7e6d867645dc15b18a4793c9b05905289a..ccfbbab82a157da532fb039f7032d0de38680d0f 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -371,10 +371,15 @@ acpi_i2c_space_handler(u32 function, acpi_physical_address command,
 
 static int acpi_i2c_install_space_handler(struct i2c_adapter *adapter)
 {
-	acpi_handle handle = ACPI_HANDLE(adapter->dev.parent);
+	acpi_handle handle;
 	struct acpi_i2c_handler_data *data;
 	acpi_status status;
 
+	if (!adapter->dev.parent)
+		return -ENODEV;
+
+	handle = ACPI_HANDLE(adapter->dev.parent);
+
 	if (!handle)
 		return -ENODEV;
 
@@ -407,10 +412,15 @@ static int acpi_i2c_install_space_handler(struct i2c_adapter *adapter)
 
 static void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter)
 {
-	acpi_handle handle = ACPI_HANDLE(adapter->dev.parent);
+	acpi_handle handle;
 	struct acpi_i2c_handler_data *data;
 	acpi_status status;
 
+	if (!adapter->dev.parent)
+		return;
+
+	handle = ACPI_HANDLE(adapter->dev.parent);
+
 	if (!handle)
 		return;