Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index 2d22d6b..7d59d18 100644
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -197,17 +197,12 @@
 		    void (*callback)(struct cn_msg *,
 				     struct netlink_skb_parms *))
 {
-	int err;
 	struct cn_dev *dev = &cdev;
 
 	if (!cn_already_initialized)
 		return -EAGAIN;
 
-	err = cn_queue_add_callback(dev->cbdev, name, id, callback);
-	if (err)
-		return err;
-
-	return 0;
+	return cn_queue_add_callback(dev->cbdev, name, id, callback);
 }
 EXPORT_SYMBOL_GPL(cn_add_callback);