trace-cmd: Remove redundant type field in list_for_each_entry()

The type field in list_for_each_entry() is the same as the type that
the ptr field points to. Use typeof(*ptr) instead.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

2 files changed, 14 insertions, 4 deletions

diff --git a/list.h b/list.h
index 440d2bd..9d5289c 100644
--- a/list.h
+++ b/list.h
@@ -45,6 +45,16 @@ static inline void list_add(struct list_head *p, struct list_head *head)
         head->next = p;
 }
 
+static inline void list_add_tail(struct list_head *p, struct list_head *head)
+{
+        struct list_head *prev = head->prev;
+
+        p->prev = prev;
+        p->next = head;
+        prev->next = p;
+        head->prev = p;
+}
+
 static inline void list_del(struct list_head *p)
 {
         struct list_head *next = p->next;
@@ -59,9 +69,9 @@ static inline int list_empty(struct list_head *list)
         return list->next == list;
 }
 
-#define list_for_each_entry(p, list, type, field)               \
-        for (p = container_of((list)->next, type, field);       \
+#define list_for_each_entry(p, list, field)             \
+        for (p = container_of((list)->next, typeof(*p), field); \
              &(p)->field != list;                               \
-             p = container_of((p)->field.next, type, field))
+             p = container_of((p)->field.next, typeof(*p), field))
 
 #endif /* __LIST_H */
diff --git a/trace-input.c b/trace-input.c
index 377ace7..61a02fe 100644
--- a/trace-input.c
+++ b/trace-input.c
@@ -624,7 +624,7 @@ static struct page *allocate_page(struct tracecmd_input *handle,
         struct page *page;
         int ret;
 
-        list_for_each_entry(page, &cpu_data->pages, struct page, list) {
+        list_for_each_entry(page, &cpu_data->pages, list) {
                 if (page->offset == offset) {
                         page->ref_count++;
                         return page;