drbd: Remove pointless check

In drbd-8.4 there is always a single connection per resource,
and there is always exactly one peer_device for a device.
peer_device can not be NULL here.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index e80cbefbc2b548761fe5f531773b1022a21353eb..a1a01ccb73997905228637a22bbde7d3cf45929a 100644 (file)
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -1478,7 +1478,7 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info)
        device = adm_ctx.device;
        mutex_lock(&adm_ctx.resource->adm_mutex);
        peer_device = first_peer_device(device);
-       connection = peer_device ? peer_device->connection : NULL;
+       connection = peer_device->connection;
        conn_reconfig_start(connection);
 
        /* if you want to reconfigure, please tear down first */