don't redefine container_of if it's already defined

diff --git a/uci.h b/uci.h
index d48ea7cef153349256adca7017e28fd178b92f60..2ae02b78f2eee6c5cd9cad48ee157e287c7893f2 100644 (file)
--- a/uci.h
+++ b/uci.h
@@ -432,8 +432,10 @@ struct uci_ptr
  * @type:   the type of the container struct this is embedded in.
  * @member: the name of the member within the struct.
  */
+#ifndef container_of
 #define container_of(ptr, type, member) \
        ((type *) ((char *)ptr - offsetof(type,member)))
+#endif
 
 
 /**