device: Fix dotted vlan interface staying down

Using the config below a dotted vlan interface stays down as get_vlan_device
does not find the device due to the aliased device stacked on top of the base
device.
As all devices; aliased devices being the exception; are in the device list
use device_find to find the device when setting the link state

config interface 'test'
    option proto 'static'
    option ipaddr '192.168.2.1'
    option netmask '255.255.255.0'

config interface 'test2'
    option ifname '@test.1'
    option proto 'dhcp'

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/device.c b/device.c
index a4d804e..fa3d00f 100644
--- a/device.c
+++ b/device.c
@@ -477,6 +477,14 @@ device_create_default(const char *name, bool external)
 }
 
 struct device *
+device_find(const char *name)
+{
+	struct device *dev;
+
+	return avl_find_element(&devices, name, dev, avl);
+}
+
+struct device *
 device_get(const char *name, int create)
 {
 	struct device *dev;