diff options
| -rw-r--r-- | include/linux/poison.h | 7 | ||||
| -rw-r--r-- | kernel/mutex-debug.c | 5 | ||||
| -rw-r--r-- | security/keys/key.c | 3 |
3 files changed, 12 insertions, 3 deletions
diff --git a/include/linux/poison.h b/include/linux/poison.h index 4109f37b7b66..a5347c02432e 100644 --- a/include/linux/poison.h +++ b/include/linux/poison.h @@ -45,6 +45,13 @@ /********** drivers/atm/ **********/ #define ATM_POISON_FREE 0x12 +/********** kernel/mutexes **********/ +#define MUTEX_DEBUG_INIT 0x11 +#define MUTEX_DEBUG_FREE 0x22 + +/********** security/ **********/ +#define KEY_DESTROY 0xbd + /********** sound/oss/ **********/ #define OSS_POISON_FREE 0xAB diff --git a/kernel/mutex-debug.c b/kernel/mutex-debug.c index 036b6285b15c..e38e4bac97ca 100644 --- a/kernel/mutex-debug.c +++ b/kernel/mutex-debug.c @@ -16,6 +16,7 @@ #include <linux/sched.h> #include <linux/delay.h> #include <linux/module.h> +#include <linux/poison.h> #include <linux/spinlock.h> #include <linux/kallsyms.h> #include <linux/interrupt.h> @@ -381,7 +382,7 @@ void debug_mutex_set_owner(struct mutex *lock, void debug_mutex_init_waiter(struct mutex_waiter *waiter) { - memset(waiter, 0x11, sizeof(*waiter)); + memset(waiter, MUTEX_DEBUG_INIT, sizeof(*waiter)); waiter->magic = waiter; INIT_LIST_HEAD(&waiter->list); } @@ -397,7 +398,7 @@ void debug_mutex_wake_waiter(struct mutex *lock, struct mutex_waiter *waiter) void debug_mutex_free_waiter(struct mutex_waiter *waiter) { DEBUG_WARN_ON(!list_empty(&waiter->list)); - memset(waiter, 0x22, sizeof(*waiter)); + memset(waiter, MUTEX_DEBUG_FREE, sizeof(*waiter)); } void debug_mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter, diff --git a/security/keys/key.c b/security/keys/key.c index 43295ca37b5d..80de8c3e9cc3 100644 --- a/security/keys/key.c +++ b/security/keys/key.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/init.h> +#include <linux/poison.h> #include <linux/sched.h> #include <linux/slab.h> #include <linux/security.h> @@ -988,7 +989,7 @@ void unregister_key_type(struct key_type *ktype) if (key->type == ktype) { if (ktype->destroy) ktype->destroy(key); - memset(&key->payload, 0xbd, sizeof(key->payload)); + memset(&key->payload, KEY_DESTROY, sizeof(key->payload)); } } |