diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/exit.c | 2 | ||||
| -rw-r--r-- | kernel/lockdep.c | 17 |
2 files changed, 10 insertions, 9 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 51e485c..60bc027 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -835,7 +835,7 @@ void do_exit(long code) /* * Make sure we are holding no locks: */ - debug_check_no_locks_held(); + debug_check_no_locks_held(tsk); /* * We can do this unlocked here. The futex code uses this flag * just to verify whether the pi state cleanup has been done diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 259db20..8a0efac 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -4088,7 +4088,7 @@ void debug_check_no_locks_freed(const void *mem_from, unsigned long mem_len) } EXPORT_SYMBOL_GPL(debug_check_no_locks_freed); -static void print_held_locks_bug(void) +static void print_held_locks_bug(struct task_struct *curr) { if (!debug_locks_off()) return; @@ -4097,21 +4097,22 @@ static void print_held_locks_bug(void) printk("\n"); printk("=====================================\n"); - printk("[ BUG: %s/%d still has locks held! ]\n", - current->comm, task_pid_nr(current)); + printk("[ BUG: lock held at task exit time! ]\n"); print_kernel_ident(); printk("-------------------------------------\n"); - lockdep_print_held_locks(current); + printk("%s/%d is exiting with locks still held!\n", + curr->comm, task_pid_nr(curr)); + lockdep_print_held_locks(curr); + printk("\nstack backtrace:\n"); dump_stack(); } -void debug_check_no_locks_held(void) +void debug_check_no_locks_held(struct task_struct *task) { - if (unlikely(current->lockdep_depth > 0)) - print_held_locks_bug(); + if (unlikely(task->lockdep_depth > 0)) + print_held_locks_bug(task); } -EXPORT_SYMBOL_GPL(debug_check_no_locks_held); void debug_show_all_locks(void) { |