diff --git a/arch/nios2/lib/longlong.h b/arch/nios2/lib/longlong.h
index 4ab928e..1271682 100644
--- a/arch/nios2/lib/longlong.h
+++ b/arch/nios2/lib/longlong.h
@@ -11,7 +11,7 @@
  * useful, but WITHOUT ANY WARRANTY; without even the implied
  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  * See the GNU General Public License for more details.
-
+ */
 /* You have to define the following before including this file:
 
    UWtype -- An unsigned type, default type for operations (typically a "word")
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 1dd139f..69782d2 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -11,7 +11,7 @@
 LIST_HEAD(bus_list);
 EXPORT_SYMBOL(bus_list);
 
-struct bus_type *get_bus_by_name(const char *name)
+static struct bus_type *get_bus_by_name(const char *name)
 {
 	struct bus_type *bus;
 
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 6c8fd05..64fe289 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -336,6 +336,21 @@
 	}
 }
 
+int dev_get_drvdata(struct device_d *dev, unsigned long *data)
+{
+	if (dev->of_id_entry) {
+		*data = dev->of_id_entry->data;
+		return 0;
+	}
+
+	if (dev->id_entry) {
+		*data = dev->id_entry->driver_data;
+		return 0;
+	}
+
+	return -ENODEV;
+}
+
 #ifdef CONFIG_CMD_DEVINFO
 static int do_devinfo_subtree(struct device_d *dev, int depth)
 {
@@ -370,21 +385,6 @@
 	return 0;
 }
 
-int dev_get_drvdata(struct device_d *dev, unsigned long *data)
-{
-	if (dev->of_id_entry) {
-		*data = dev->of_id_entry->data;
-		return 0;
-	}
-
-	if (dev->id_entry) {
-		*data = dev->id_entry->driver_data;
-		return 0;
-	}
-
-	return -ENODEV;
-}
-
 static int do_devinfo(int argc, char *argv[])
 {
 	struct device_d *dev;
diff --git a/include/environment.h b/include/environment.h
index 5cd7ecf..95e75e7 100644
--- a/include/environment.h
+++ b/include/environment.h
@@ -60,6 +60,12 @@
 {
 	return 0;
 }
+
+static inline int export(const char *var)
+{
+	return -EINVAL;
+}
+
 #endif
 
 int env_pop_context(void);