diff options
Diffstat (limited to 'kernel/lockdep.c')
| -rw-r--r-- | kernel/lockdep.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 42ae4a5ab4dc..a6f1ee9c92d9 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -3199,3 +3199,19 @@ void debug_show_held_locks(struct task_struct *task) } EXPORT_SYMBOL_GPL(debug_show_held_locks); + +void lockdep_sys_exit(void) +{ + struct task_struct *curr = current; + + if (unlikely(curr->lockdep_depth)) { + if (!debug_locks_off()) + return; + printk("\n================================================\n"); + printk( "[ BUG: lock held when returning to user space! ]\n"); + printk( "------------------------------------------------\n"); + printk("%s/%d is leaving the kernel with locks still held!\n", + curr->comm, curr->pid); + lockdep_print_held_locks(curr); + } +} |