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-rw-r--r--include/linux/sched.h2
-rw-r--r--kernel/exit.c3
-rw-r--r--kernel/fork.c8
3 files changed, 5 insertions, 8 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 99855f694ebd..d04186d8cc68 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1151,7 +1151,7 @@ extern void exit_thread(void);
1151 1151
1152extern void exit_files(struct task_struct *); 1152extern void exit_files(struct task_struct *);
1153extern void __cleanup_signal(struct signal_struct *); 1153extern void __cleanup_signal(struct signal_struct *);
1154extern void cleanup_sighand(struct task_struct *); 1154extern void __cleanup_sighand(struct sighand_struct *);
1155extern void exit_itimers(struct signal_struct *); 1155extern void exit_itimers(struct signal_struct *);
1156 1156
1157extern NORET_TYPE void do_group_exit(int); 1157extern NORET_TYPE void do_group_exit(int);
diff --git a/kernel/exit.c b/kernel/exit.c
index 22399caf7574..bc0ec674d3f4 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -114,10 +114,11 @@ static void __exit_signal(struct task_struct *tsk)
114 __unhash_process(tsk); 114 __unhash_process(tsk);
115 115
116 tsk->signal = NULL; 116 tsk->signal = NULL;
117 cleanup_sighand(tsk); 117 tsk->sighand = NULL;
118 spin_unlock(&sighand->siglock); 118 spin_unlock(&sighand->siglock);
119 rcu_read_unlock(); 119 rcu_read_unlock();
120 120
121 __cleanup_sighand(sighand);
121 clear_tsk_thread_flag(tsk,TIF_SIGPENDING); 122 clear_tsk_thread_flag(tsk,TIF_SIGPENDING);
122 flush_sigqueue(&tsk->pending); 123 flush_sigqueue(&tsk->pending);
123 if (sig) { 124 if (sig) {
diff --git a/kernel/fork.c b/kernel/fork.c
index aa50c848fae7..b3f7a1bb5e55 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -803,12 +803,8 @@ static inline int copy_sighand(unsigned long clone_flags, struct task_struct * t
803 return 0; 803 return 0;
804} 804}
805 805
806void cleanup_sighand(struct task_struct *tsk) 806void __cleanup_sighand(struct sighand_struct *sighand)
807{ 807{
808 struct sighand_struct * sighand = tsk->sighand;
809
810 /* Ok, we're done with the signal handlers */
811 tsk->sighand = NULL;
812 if (atomic_dec_and_test(&sighand->count)) 808 if (atomic_dec_and_test(&sighand->count))
813 kmem_cache_free(sighand_cachep, sighand); 809 kmem_cache_free(sighand_cachep, sighand);
814} 810}
@@ -1233,7 +1229,7 @@ bad_fork_cleanup_mm:
1233bad_fork_cleanup_signal: 1229bad_fork_cleanup_signal:
1234 cleanup_signal(p); 1230 cleanup_signal(p);
1235bad_fork_cleanup_sighand: 1231bad_fork_cleanup_sighand:
1236 cleanup_sighand(p); 1232 __cleanup_sighand(p->sighand);
1237bad_fork_cleanup_fs: 1233bad_fork_cleanup_fs:
1238 exit_fs(p); /* blocking */ 1234 exit_fs(p); /* blocking */
1239bad_fork_cleanup_files: 1235bad_fork_cleanup_files: