[PATCH] ioremap balanced with iounmap for drivers/serial/mux.c
authorAmol Lad <amol@verismonetworks.com>
Sun, 1 Oct 2006 06:29:25 +0000 (23:29 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Sun, 1 Oct 2006 07:39:32 +0000 (00:39 -0700)
ioremap must be balanced by an iounmap and failing to do so can result
in a memory leak.

Signed-off-by: Amol Lad <amol@verismonetworks.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
drivers/serial/mux.c

index 4a1c9983f38f8e38a78e47f761b996da129c6969..aa819d3f8ee51344d58b2939c39f396d4698a058 100644 (file)
@@ -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);