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-rw-r--r--kernel/exit.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index d1e8d500a7e1..8037405e136e 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -345,9 +345,9 @@ void daemonize(const char *name, ...)
exit_mm(current);
set_special_pids(1, 1);
- down(&tty_sem);
+ mutex_lock(&tty_mutex);
current->signal->tty = NULL;
- up(&tty_sem);
+ mutex_unlock(&tty_mutex);
/* Block and flush all signals */
sigfillset(&blocked);