[PATCH 08/12] bbu: Add function to iterate over registered handlers

[Sascha Hauer]

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 common/bbu.c  | 15 +++++++++++++++
 include/bbu.h |  2 ++
 2 files changed, 17 insertions(+)

diff --git a/common/bbu.c b/common/bbu.c
index 031c433820..3b372263b1 100644
--- a/common/bbu.c
+++ b/common/bbu.c
@@ -30,6 +30,21 @@
 
 static LIST_HEAD(bbu_image_handlers);
 
+int bbu_handlers_iterate(int (*fn)(struct bbu_handler *, void *), void *ctx)
+{
+	struct bbu_handler *handler;
+
+	list_for_each_entry(handler, &bbu_image_handlers, list) {
+		int ret;
+
+		ret = fn(handler, ctx);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
 int bbu_force(struct bbu_data *data, const char *fmt, ...)
 {
 	va_list args;
diff --git a/include/bbu.h b/include/bbu.h
index 9d24ffc395..54434b03e0 100644
--- a/include/bbu.h
+++ b/include/bbu.h
@@ -42,6 +42,8 @@ bool barebox_update_handler_exists(struct bbu_data *);
 
 void bbu_handlers_list(void);
 
+int bbu_handlers_iterate(int (*fn)(struct bbu_handler *, void *), void *);
+
 #ifdef CONFIG_BAREBOX_UPDATE
 
 int bbu_register_handler(struct bbu_handler *);
-- 
2.11.0