mm/vmalloc.c: use list_{next,first}_entry

To make the intention clearer, use list_{next,first}_entry instead of
list_entry.

Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 9a58f9a..7007fe8 100644 (file)
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -441,8 +441,7 @@ nocache:
                if (list_is_last(&first->list, &vmap_area_list))
                        goto found;
 
-               first = list_entry(first->list.next,
-                               struct vmap_area, list);
+               first = list_next_entry(first, list);
        }
 
 found:
@@ -2559,10 +2558,10 @@ static void *s_start(struct seq_file *m, loff_t *pos)
        struct vmap_area *va;
 
        spin_lock(&vmap_area_lock);
-       va = list_entry((&vmap_area_list)->next, typeof(*va), list);
+       va = list_first_entry(&vmap_area_list, typeof(*va), list);
        while (n > 0 && &va->list != &vmap_area_list) {
                n--;
-               va = list_entry(va->list.next, typeof(*va), list);
+               va = list_next_entry(va, list);
        }
        if (!n && &va->list != &vmap_area_list)
                return va;
@@ -2576,7 +2575,7 @@ static void *s_next(struct seq_file *m, void *p, loff_t *pos)
        struct vmap_area *va = p, *next;
 
        ++*pos;
-       next = list_entry(va->list.next, typeof(*va), list);
+       next = list_next_entry(va, list);
        if (&next->list != &vmap_area_list)
                return next;