[SPARC64]: Fix of_iounmap() region release.

We need to pass in the resource otherwise we cannot
release the region properly.  We must know whether it is
an I/O or MEM resource.

Spotted by Eric Brower.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 3 deletions

diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 493d5bbb661b..145d6236954b 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -1037,7 +1037,8 @@ static int __devinit sunsab_init_one(struct uart_sunsab_port *up,
                 err = request_irq(up->port.irq, sunsab_interrupt,
                                   IRQF_SHARED, "sab", up);
                 if (err) {
-                        of_iounmap(up->port.membase,
+                        of_iounmap(&op->resource[0],
+                                   up->port.membase,
                                    sizeof(union sab82532_async_regs));
                         return err;
                 }
@@ -1064,7 +1065,8 @@ static int __devinit sab_probe(struct of_device *op, const struct of_device_id *
                               sizeof(union sab82532_async_regs),
                               (inst * 2) + 1);
         if (err) {
-                of_iounmap(up[0].port.membase,
+                of_iounmap(&op->resource[0],
+                           up[0].port.membase,
                            sizeof(union sab82532_async_regs));
                 free_irq(up[0].port.irq, &up[0]);
                 return err;
@@ -1082,10 +1084,13 @@ static int __devinit sab_probe(struct of_device *op, const struct of_device_id *
 
 static void __devexit sab_remove_one(struct uart_sunsab_port *up)
 {
+        struct of_device *op = to_of_device(up->port.dev);
+
         uart_remove_one_port(&sunsab_reg, &up->port);
         if (!(up->port.line & 1))
                 free_irq(up->port.irq, up);
-        of_iounmap(up->port.membase,
+        of_iounmap(&op->resource[0],
+                   up->port.membase,
                    sizeof(union sab82532_async_regs));
 }