drbd: Generate the drbd_set_*_defaults() functions from drbd_genl.h
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
diff --git a/include/linux/genl_magic_func.h b/include/linux/genl_magic_func.h
index e458282..e908f1c 100644
--- a/include/linux/genl_magic_func.h
+++ b/include/linux/genl_magic_func.h
@@ -427,6 +427,32 @@
#include GENL_MAGIC_INCLUDE_FILE
+
+/* Functions for initializing structs to default values. */
+
+#undef __field
+#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put)
+#undef __array
+#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, __get, __put)
+#undef __u32_field_def
+#define __u32_field_def(attr_nr, attr_flag, name, default) \
+ x->name = default;
+#undef __flg_field_def
+#define __flg_field_def(attr_nr, attr_flag, name, default) \
+ x->name = default;
+#undef __str_field_def
+#define __str_field_def(attr_nr, attr_flag, name, maxlen) \
+ memset(x->name, 0, sizeof(x->name)); \
+ x->name ## _len = 0;
+#undef GENL_struct
+#define GENL_struct(tag_name, tag_number, s_name, s_fields) \
+static void set_ ## s_name ## _defaults(struct s_name *x) __attribute__((unused)); \
+static void set_ ## s_name ## _defaults(struct s_name *x) { \
+s_fields \
+}
+
+#include GENL_MAGIC_INCLUDE_FILE
+
#endif /* __KERNEL__ */
/* }}}1 */