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-rw-r--r--kernel/fork.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index dfeadf466f1..b2580206503 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1116,6 +1116,9 @@ static task_t *copy_process(unsigned long clone_flags,
__get_cpu_var(process_counts)++;
}
+ if (!current->signal->tty && p->signal->tty)
+ p->signal->tty = NULL;
+
nr_threads++;
total_forks++;
write_unlock_irq(&tasklist_lock);