net: lapbether: replace comparison to NULL with "lapbeth_get_x25_dev"

According to the chackpatch.pl, comparison to NULL could
be written "lapbeth_get_x25_dev".

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index 60628aa..74694af 100644 (file)
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -451,7 +451,7 @@ static int lapbeth_device_event(struct notifier_block *this,
        switch (event) {
        case NETDEV_UP:
                /* New ethernet device -> new LAPB interface     */
-               if (lapbeth_get_x25_dev(dev) == NULL)
+               if (!lapbeth_get_x25_dev(dev))
                        lapbeth_new_device(dev);
                break;
        case NETDEV_GOING_DOWN: