diff options
Diffstat (limited to 'lib/list_debug.c')
-rw-r--r-- | lib/list_debug.c | 50 |
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, | |||
20 | struct list_head *prev, | 20 | struct list_head *prev, |
21 | struct list_head *next) | 21 | struct list_head *next) |
22 | { | 22 | { |
23 | if (unlikely(next->prev != prev)) { | 23 | WARN(next->prev != prev, |
24 | printk(KERN_ERR "list_add corruption. next->prev should be " | 24 | "list_add corruption. next->prev should be " |
25 | "prev (%p), but was %p. (next=%p).\n", | 25 | "prev (%p), but was %p. (next=%p).\n", |
26 | prev, next->prev, next); | 26 | prev, next->prev, next); |
27 | BUG(); | 27 | WARN(prev->next != next, |
28 | } | 28 | "list_add corruption. prev->next should be " |
29 | if (unlikely(prev->next != next)) { | 29 | "next (%p), but was %p. (prev=%p).\n", |
30 | printk(KERN_ERR "list_add corruption. prev->next should be " | 30 | next, prev->next, prev); |
31 | "next (%p), but was %p. (prev=%p).\n", | ||
32 | next, prev->next, prev); | ||
33 | BUG(); | ||
34 | } | ||
35 | next->prev = new; | 31 | next->prev = new; |
36 | new->next = next; | 32 | new->next = next; |
37 | new->prev = prev; | 33 | new->prev = prev; |
@@ -40,20 +36,6 @@ void __list_add(struct list_head *new, | |||
40 | EXPORT_SYMBOL(__list_add); | 36 | EXPORT_SYMBOL(__list_add); |
41 | 37 | ||
42 | /** | 38 | /** |
43 | * list_add - add a new entry | ||
44 | * @new: new entry to be added | ||
45 | * @head: list head to add it after | ||
46 | * | ||
47 | * Insert a new entry after the specified head. | ||
48 | * This is good for implementing stacks. | ||
49 | */ | ||
50 | void list_add(struct list_head *new, struct list_head *head) | ||
51 | { | ||
52 | __list_add(new, head, head->next); | ||
53 | } | ||
54 | EXPORT_SYMBOL(list_add); | ||
55 | |||
56 | /** | ||
57 | * list_del - deletes entry from list. | 39 | * list_del - deletes entry from list. |
58 | * @entry: the element to delete from the list. | 40 | * @entry: the element to delete from the list. |
59 | * Note: list_empty on entry does not return true after this, the entry is | 41 | * Note: list_empty on entry does not return true after this, the entry is |
@@ -61,16 +43,12 @@ EXPORT_SYMBOL(list_add); | |||
61 | */ | 43 | */ |
62 | void list_del(struct list_head *entry) | 44 | void list_del(struct list_head *entry) |
63 | { | 45 | { |
64 | if (unlikely(entry->prev->next != entry)) { | 46 | WARN(entry->prev->next != entry, |
65 | printk(KERN_ERR "list_del corruption. prev->next should be %p, " | 47 | "list_del corruption. prev->next should be %p, " |
66 | "but was %p\n", entry, entry->prev->next); | 48 | "but was %p\n", entry, entry->prev->next); |
67 | BUG(); | 49 | WARN(entry->next->prev != entry, |
68 | } | 50 | "list_del corruption. next->prev should be %p, " |
69 | if (unlikely(entry->next->prev != entry)) { | 51 | "but was %p\n", entry, entry->next->prev); |
70 | printk(KERN_ERR "list_del corruption. next->prev should be %p, " | ||
71 | "but was %p\n", entry, entry->next->prev); | ||
72 | BUG(); | ||
73 | } | ||
74 | __list_del(entry->prev, entry->next); | 52 | __list_del(entry->prev, entry->next); |
75 | entry->next = LIST_POISON1; | 53 | entry->next = LIST_POISON1; |
76 | entry->prev = LIST_POISON2; | 54 | entry->prev = LIST_POISON2; |