nfsd4: fix null dereference creating nfsv4 callback client

[safe/jmp/linux-2.6] / drivers / char / hvc_console.c

diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index 09676b4..d97779e 100644 (file)
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -318,8 +318,6 @@ static int hvc_open(struct tty_struct *tty, struct file * filp)
        } /* else count == 0 */
 
        tty->driver_data = hp;
-       if (!hp->irq_requested)
-               tty->low_latency = 1; /* Makes flushes to ldisc synchronous. */
 
        hp->tty = tty;
 
@@ -554,7 +552,7 @@ static int hvc_chars_in_buffer(struct tty_struct *tty)
        struct hvc_struct *hp = tty->driver_data;
 
        if (!hp)
-               return -1;
+               return 0;
        return hp->n_outbuf;
 }