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-rw-r--r--drivers/thunderbolt/switch.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index 44e9b09de4..a3c68c808e 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -1265,6 +1265,9 @@ int tb_port_update_credits(struct tb_port *port)
ret = tb_port_do_update_credits(port);
if (ret)
return ret;
+
+ if (!port->dual_link_port)
+ return 0;
return tb_port_do_update_credits(port->dual_link_port);
}