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tty: make n_tty_read() always abort if hangup is in progress
[pandora-kernel.git]
/
drivers
/
tty
/
n_tty.c
diff --git
a/drivers/tty/n_tty.c
b/drivers/tty/n_tty.c
index
304f58e
..
8e31696
100644
(file)
--- a/
drivers/tty/n_tty.c
+++ b/
drivers/tty/n_tty.c
@@
-1809,6
+1809,12
@@
do_it_again:
}
if (tty_hung_up_p(file))
break;
+ /*
+ * Abort readers for ttys which never actually
+ * get hung up. See __tty_hangup().
+ */
+ if (test_bit(TTY_HUPPING, &tty->flags))
+ break;
if (!timeout)
break;
if (file->f_flags & O_NONBLOCK) {