[SPARC64]: Prevent registering wrong serial console.

If the console is not for a particular Sun serial
controller, set the drv->cons to NULL.

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

1 files changed, 8 insertions, 9 deletions

diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 85664228a0b6..02f62da546b5 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -955,14 +955,13 @@ static struct console sunsab_console = {
         .index  =       -1,
         .data   =       &sunsab_reg,
 };
-#define SUNSAB_CONSOLE  (&sunsab_console)
 
-static void __init sunsab_console_init(void)
+static inline struct console *SUNSAB_CONSOLE(void)
 {
         int i;
 
         if (con_is_present())
-                return;
+                return NULL;
 
         for (i = 0; i < num_channels; i++) {
                 int this_minor = sunsab_reg.minor + i;
@@ -971,13 +970,14 @@ static void __init sunsab_console_init(void)
                         break;
         }
         if (i == num_channels)
-                return;
+                return NULL;
 
         sunsab_console.index = i;
-        register_console(&sunsab_console);
+
+        return &sunsab_console;
 }
 #else
-#define SUNSAB_CONSOLE          (NULL)
+#define SUNSAB_CONSOLE()        (NULL)
 #define sunsab_console_init()   do { } while (0)
 #endif
 
@@ -1124,7 +1124,6 @@ static int __init sunsab_init(void)
 
         sunsab_reg.minor = sunserial_current_minor;
         sunsab_reg.nr = num_channels;
-        sunsab_reg.cons = SUNSAB_CONSOLE;
 
         ret = uart_register_driver(&sunsab_reg);
         if (ret < 0) {
@@ -1143,10 +1142,10 @@ static int __init sunsab_init(void)
                 return ret;
         }
 
+        sunsab_reg.cons = SUNSAB_CONSOLE();
+
         sunserial_current_minor += num_channels;
         
-        sunsab_console_init();
-
         for (i = 0; i < num_channels; i++) {
                 struct uart_sunsab_port *up = &sunsab_ports[i];