net: wan: sbni: fix device usage count
dev_get_by_name() will increment the usage count if the matching device
is found. But we were not decrementing the count if we have got the
device and the device is non-active.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wan/sbni.c b/drivers/net/wan/sbni.c
index 758c4ba..8fef8d8 100644
--- a/drivers/net/wan/sbni.c
+++ b/drivers/net/wan/sbni.c
@@ -1358,6 +1358,8 @@
if( !slave_dev || !(slave_dev->flags & IFF_UP) ) {
netdev_err(dev, "trying to enslave non-active device %s\n",
slave_name);
+ if (slave_dev)
+ dev_put(slave_dev);
return -EPERM;
}