[PATCH 2/2] netconsole: bail out if console_register fails
Sascha Hauer
s.hauer at pengutronix.de
Fri Apr 13 10:57:20 EDT 2012
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
net/netconsole.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/net/netconsole.c b/net/netconsole.c
index 2ac3e64..48f2b98 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);
--
1.7.10
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