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path: root/drivers/char/tty_io.c
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Diffstat (limited to 'drivers/char/tty_io.c')
-rw-r--r--drivers/char/tty_io.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index f15df40bc318..dcb9083ecde0 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1951,8 +1951,10 @@ static int tty_fasync(int fd, struct file *filp, int on)
pid = task_pid(current);
type = PIDTYPE_PID;
}
+ get_pid(pid);
spin_unlock_irqrestore(&tty->ctrl_lock, flags);
retval = __f_setown(filp, pid, type, 0);
+ put_pid(pid);
if (retval)
goto out;
} else {