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-rw-r--r--drivers/serial/mux.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c
index 4a1c9983f38f..aa819d3f8ee5 100644
--- a/drivers/serial/mux.c
+++ b/drivers/serial/mux.c
@@ -521,6 +521,8 @@ static void __exit mux_exit(void)
for (i = 0; i < port_cnt; i++) {
uart_remove_one_port(&mux_driver, &mux_ports[i]);
+ if (mux_ports[i].membase)
+ iounmap(mux_ports[i].membase);
}
uart_unregister_driver(&mux_driver);

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