From 38a07fb8a943d7d338e6cc662a550d7c371e1131 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Thu, 26 Jan 2012 14:17:13 +0100 Subject: [PATCH] netconsole: bail out if console_register fails Signed-off-by: Sascha Hauer --- net/netconsole.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/net/netconsole.c b/net/netconsole.c index 2ac3e6435..48f2b9843 100644 --- a/net/netconsole.c +++ b/net/netconsole.c @@ -174,6 +174,7 @@ static int netconsole_init(void) { struct nc_priv *priv; struct console_device *cdev; + int ret; priv = xzalloc(sizeof(*priv)); cdev = &priv->cdev; @@ -185,7 +186,12 @@ static int netconsole_init(void) priv->fifo = kfifo_alloc(1024); - console_register(cdev); + ret = console_register(cdev); + if (ret) { + printf("netconsole: registering failed with %s\n", strerror(-ret)); + kfree(priv); + return ret; + } dev_add_param(&cdev->class_dev, "ip", nc_remoteip_set, NULL, 0); dev_add_param(&cdev->class_dev, "port", nc_port_set, NULL, 0);