diff options
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 774e6b5061b8..2b355e926c13 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -342,23 +342,18 @@ kill_orphaned_pgrp(struct task_struct *tsk, struct task_struct *parent) static void coredump_task_exit(struct task_struct *tsk) { struct core_state *core_state; - struct mm_struct *mm; - - mm = tsk->mm; - if (!mm) - return; /* * Serialize with any possible pending coredump. - * We must hold mmap_lock around checking core_state + * We must hold siglock around checking core_state * and setting PF_POSTCOREDUMP. The core-inducing thread * will increment ->nr_threads for each thread in the * group without PF_POSTCOREDUMP set. */ - mmap_read_lock(mm); + spin_lock_irq(&tsk->sighand->siglock); tsk->flags |= PF_POSTCOREDUMP; - core_state = mm->core_state; - mmap_read_unlock(mm); + core_state = tsk->signal->core_state; + spin_unlock_irq(&tsk->sighand->siglock); if (core_state) { struct core_thread self; |