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-rw-r--r--lib/list_debug.c50
1 files changed, 14 insertions, 36 deletions
diff --git a/lib/list_debug.c b/lib/list_debug.c
index 4350ba9655bd..1a39f4e3ae1f 100644
--- a/lib/list_debug.c
+++ b/lib/list_debug.c
@@ -20,18 +20,14 @@ void __list_add(struct list_head *new,
struct list_head *prev,
struct list_head *next)
{
- if (unlikely(next->prev != prev)) {
- printk(KERN_ERR "list_add corruption. next->prev should be "
- "prev (%p), but was %p. (next=%p).\n",
- prev, next->prev, next);
- BUG();
- }
- if (unlikely(prev->next != next)) {
- printk(KERN_ERR "list_add corruption. prev->next should be "
- "next (%p), but was %p. (prev=%p).\n",
- next, prev->next, prev);
- BUG();
- }
+ WARN(next->prev != prev,
+ "list_add corruption. next->prev should be "
+ "prev (%p), but was %p. (next=%p).\n",
+ prev, next->prev, next);
+ WARN(prev->next != next,
+ "list_add corruption. prev->next should be "
+ "next (%p), but was %p. (prev=%p).\n",
+ next, prev->next, prev);
next->prev = new;
new->next = next;
new->prev = prev;
@@ -40,20 +36,6 @@ void __list_add(struct list_head *new,
EXPORT_SYMBOL(__list_add);
/**
- * list_add - add a new entry
- * @new: new entry to be added
- * @head: list head to add it after
- *
- * Insert a new entry after the specified head.
- * This is good for implementing stacks.
- */
-void list_add(struct list_head *new, struct list_head *head)
-{
- __list_add(new, head, head->next);
-}
-EXPORT_SYMBOL(list_add);
-
-/**
* list_del - deletes entry from list.
* @entry: the element to delete from the list.
* Note: list_empty on entry does not return true after this, the entry is
@@ -61,16 +43,12 @@ EXPORT_SYMBOL(list_add);
*/
void list_del(struct list_head *entry)
{
- if (unlikely(entry->prev->next != entry)) {
- printk(KERN_ERR "list_del corruption. prev->next should be %p, "
- "but was %p\n", entry, entry->prev->next);
- BUG();
- }
- if (unlikely(entry->next->prev != entry)) {
- printk(KERN_ERR "list_del corruption. next->prev should be %p, "
- "but was %p\n", entry, entry->next->prev);
- BUG();
- }
+ WARN(entry->prev->next != entry,
+ "list_del corruption. prev->next should be %p, "
+ "but was %p\n", entry, entry->prev->next);
+ WARN(entry->next->prev != entry,
+ "list_del corruption. next->prev should be %p, "
+ "but was %p\n", entry, entry->next->prev);
__list_del(entry->prev, entry->next);
entry->next = LIST_POISON1;
entry->prev = LIST_POISON2;