netpoll: call dev_put() on error in netpoll_setup()
There is a dev_put(ndev) missing on an error path. This was
introduced in 0c1ad04aecb "netpoll: prevent netpoll setup on slave
devices".
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 42ea4b0..18d9cbd 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -795,7 +795,8 @@
if (ndev->master) {
printk(KERN_ERR "%s: %s is a slave device, aborting.\n",
np->name, np->dev_name);
- return -EBUSY;
+ err = -EBUSY;
+ goto put;
}
if (!netif_running(ndev)) {