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-rw-r--r--kernel/fork.c3
-rw-r--r--kernel/signal.c14
2 files changed, 2 insertions, 15 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 33ffb5bf0db..8a46ad52be8 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1208,7 +1208,8 @@ bad_fork_cleanup_mm:
bad_fork_cleanup_signal:
exit_signal(p);
bad_fork_cleanup_sighand:
- exit_sighand(p);
+ if (p->sighand)
+ __exit_sighand(p);
bad_fork_cleanup_fs:
exit_fs(p); /* blocking */
bad_fork_cleanup_files:
diff --git a/kernel/signal.c b/kernel/signal.c
index c5b65aa4c2b..1d7f4463c32 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -336,20 +336,6 @@ void __exit_sighand(struct task_struct *tsk)
kmem_cache_free(sighand_cachep, sighand);
}
-void exit_sighand(struct task_struct *tsk)
-{
- write_lock_irq(&tasklist_lock);
- rcu_read_lock();
- if (tsk->sighand != NULL) {
- struct sighand_struct *sighand = rcu_dereference(tsk->sighand);
- spin_lock(&sighand->siglock);
- __exit_sighand(tsk);
- spin_unlock(&sighand->siglock);
- }
- rcu_read_unlock();
- write_unlock_irq(&tasklist_lock);
-}
-
/*
* This function expects the tasklist_lock write-locked.
*/