list.h: Add list_empty macro

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/isp/list.h b/isp/list.h
index 081e2c4..e58d3fe 100644
--- a/isp/list.h
+++ b/isp/list.h
@@ -36,6 +36,11 @@ static inline void list_init(struct list_entry *list)
 	list->prev = list;
 }
 
+static inline int list_empty(struct list_entry *list)
+{
+	return list->next == list;
+}
+
 static inline void list_append(struct list_entry *entry, struct list_entry *list)
 {
 	entry->next = list;