diff options
Diffstat (limited to 'lib/list_debug.c')
-rw-r--r-- | lib/list_debug.c | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/lib/list_debug.c b/lib/list_debug.c index b8029a5..50cac9e 100644 --- a/lib/list_debug.c +++ b/lib/list_debug.c @@ -9,6 +9,12 @@ #include <linux/module.h> #include <linux/list.h> +#ifdef CONFIG_SEC_DEBUG_LIST_CORRUPTION +static int list_debug = 0x00000100UL; +#else +static int list_debug; +#endif + /* * Insert a new entry between two known consecutive entries. * @@ -20,14 +26,20 @@ void __list_add(struct list_head *new, struct list_head *prev, struct list_head *next) { - 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); + if (list_debug) + BUG_ON(next->prev != prev); + else + WARN(next->prev != prev, + "list_add corruption. next->prev should be " + "prev (%p), but was %p. (next=%p).\n", + prev, next->prev, next); + if (list_debug) + BUG_ON(prev->next != next); + else + 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; @@ -53,8 +65,11 @@ void __list_del_entry(struct list_head *entry) "but was %p\n", entry, prev->next) || WARN(next->prev != entry, "list_del corruption. next->prev should be %p, " - "but was %p\n", entry, next->prev)) + "but was %p\n", entry, next->prev)) { + if (list_debug) + BUG(); return; + } __list_del(prev, next); } |