use a common function for creating devices that avoids creating duplicates

[project/netifd.git] / device.c

diff --git a/device.c b/device.c
index 7307414..77594be 100644 (file)
--- a/device.c
+++ b/device.c
@@ -7,6 +7,10 @@
 #include <sys/socket.h>
 #include <net/ethernet.h>
 
+#ifdef linux
+#include <netinet/ether.h>
+#endif
+
 #include "netifd.h"
 #include "system.h"
 #include "config.h"
@@ -293,3 +297,16 @@ device_free_unused(struct device *dev)
        avl_for_each_element_safe(&devices, dev, avl, tmp)
                __device_free_unused(dev);
 }
+
+struct device *
+device_create(const char *name, const struct device_type *type,
+             struct blob_attr *config)
+{
+       struct device *dev;
+
+       dev = device_get(name, false);
+       if (dev)
+               return dev;
+
+       return type->create(config);
+}