diff options
Diffstat (limited to 'kernel/mutex-debug.c')
| -rw-r--r-- | kernel/mutex-debug.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/kernel/mutex-debug.c b/kernel/mutex-debug.c index f4913c37695..e38e4bac97c 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> @@ -153,13 +154,13 @@ next: continue; count++; cursor = curr->next; - debug_spin_lock_restore(&debug_mutex_lock, flags); + debug_spin_unlock_restore(&debug_mutex_lock, flags); printk("\n#%03d: ", count); printk_lock(lock, filter ? 0 : 1); goto next; } - debug_spin_lock_restore(&debug_mutex_lock, flags); + debug_spin_unlock_restore(&debug_mutex_lock, flags); printk("\n"); } @@ -316,7 +317,7 @@ void mutex_debug_check_no_locks_held(struct task_struct *task) continue; list_del_init(curr); DEBUG_OFF(); - debug_spin_lock_restore(&debug_mutex_lock, flags); + debug_spin_unlock_restore(&debug_mutex_lock, flags); printk("BUG: %s/%d, lock held at task exit time!\n", task->comm, task->pid); @@ -325,7 +326,7 @@ void mutex_debug_check_no_locks_held(struct task_struct *task) printk("exiting task is not even the owner??\n"); return; } - debug_spin_lock_restore(&debug_mutex_lock, flags); + debug_spin_unlock_restore(&debug_mutex_lock, flags); } /* @@ -352,7 +353,7 @@ void mutex_debug_check_no_locks_freed(const void *from, unsigned long len) continue; list_del_init(curr); DEBUG_OFF(); - debug_spin_lock_restore(&debug_mutex_lock, flags); + debug_spin_unlock_restore(&debug_mutex_lock, flags); printk("BUG: %s/%d, active lock [%p(%p-%p)] freed!\n", current->comm, current->pid, lock, from, to); @@ -362,7 +363,7 @@ void mutex_debug_check_no_locks_freed(const void *from, unsigned long len) printk("freeing task is not even the owner??\n"); return; } - debug_spin_lock_restore(&debug_mutex_lock, flags); + debug_spin_unlock_restore(&debug_mutex_lock, flags); } /* @@ -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, |