diff options
Diffstat (limited to 'net/netconsole.c')
| -rw-r--r-- | net/netconsole.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/netconsole.c b/net/netconsole.c index 2ab19de4d5..86a68e19d9 100644 --- a/net/netconsole.c +++ b/net/netconsole.c @@ -81,6 +81,9 @@ static int nc_getc(struct console_device *cdev) struct nc_priv, cdev); unsigned char c; + if (!priv->con) + return 0; + while (!kfifo_len(priv->fifo)) net_poll(); @@ -94,6 +97,9 @@ static int nc_tstc(struct console_device *cdev) struct nc_priv *priv = container_of(cdev, struct nc_priv, cdev); + if (!priv->con) + return 0; + if (priv->busy) return kfifo_len(priv->fifo) ? 1 : 0; |