greybus: gb_hd_connection_find(): fix "not found" case

Without this, null-testing the return value of this function is
broken.

Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

diff --git a/drivers/staging/greybus/connection.c b/drivers/staging/greybus/connection.c
index 449ae34bf531d6b4829871dfdef1378a207cfcb8..07a593d2cbd146e69373517e3736fbc5bab0b487 100644 (file)
--- a/drivers/staging/greybus/connection.c
+++ b/drivers/staging/greybus/connection.c
@@ -56,8 +56,10 @@ struct gb_connection *gb_hd_connection_find(struct greybus_host_device *hd,
                else if (connection->hd_cport_id < cport_id)
                        node = node->rb_right;
                else
-                       break;
+                       goto found;
        }
+       connection = NULL;
+ found:
        spin_unlock_irq(&gb_connections_lock);
 
        return connection;