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Commit 1ddb7c98 authored by David S. Miller's avatar David S. Miller
Browse files

[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: default avatarDavid S. Miller <davem@davemloft.net>
parent 10951ee6

drivers/serial/sunsab.c

+8 −9
Original line number Diff line number Diff line
@@ -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) {
@@ -1143,9 +1142,9 @@ static int __init sunsab_init(void) 
		return ret;

	}



	sunserial_current_minor += num_channels;

	sunsab_reg.cons = SUNSAB_CONSOLE();



	sunsab_console_init();

	sunserial_current_minor += num_channels;

	

	for (i = 0; i < num_channels; i++) {

		struct uart_sunsab_port *up = &sunsab_ports[i];

drivers/serial/sunsu.c

+11 −11
Original line number Diff line number Diff line
@@ -1464,18 +1464,17 @@ static struct console sunsu_cons = { 
	.index	=	-1,

	.data	=	&sunsu_reg,

};

#define SUNSU_CONSOLE	(&sunsu_cons)



/*

 *	Register console.

 */



static int __init sunsu_serial_console_init(void)

static inline struct console *SUNSU_CONSOLE(void)

{

	int i;



	if (con_is_present())

		return 0;

		return NULL;



	for (i = 0; i < UART_NR; i++) {

		int this_minor = sunsu_reg.minor + i;
@@ -1484,16 +1483,16 @@ static int __init sunsu_serial_console_init(void) 
			break;

	}

	if (i == UART_NR)

		return 0;

		return NULL;

	if (sunsu_ports[i].port_node == 0)

		return 0;

		return NULL;



	sunsu_cons.index = i;

	register_console(&sunsu_cons);

	return 0;



	return &sunsu_cons;

}

#else

#define SUNSU_CONSOLE			(NULL)

#define SUNSU_CONSOLE()			(NULL)

#define sunsu_serial_console_init()	do { } while (0)

#endif
@@ -1523,16 +1522,17 @@ static int __init sunsu_serial_init(void) 
	}



	sunsu_reg.minor = sunserial_current_minor;

	sunserial_current_minor += instance;



	sunsu_reg.nr = instance;

	sunsu_reg.cons = SUNSU_CONSOLE;



	ret = uart_register_driver(&sunsu_reg);

	if (ret < 0)

		return ret;



	sunsu_serial_console_init();

	sunserial_current_minor += instance;



	sunsu_reg.cons = SUNSU_CONSOLE();



	for (i = 0; i < UART_NR; i++) {

		struct uart_sunsu_port *up = &sunsu_ports[i];

drivers/serial/sunzilog.c

+28 −6
Original line number Diff line number Diff line
@@ -1390,7 +1390,6 @@ static struct console sunzilog_console = { 
	.index	=	-1,

	.data   =	&sunzilog_reg,

};

#define SUNZILOG_CONSOLE	(&sunzilog_console)



static int __init sunzilog_console_init(void)

{
@@ -1413,8 +1412,31 @@ static int __init sunzilog_console_init(void) 
	register_console(&sunzilog_console);

	return 0;

}



static inline struct console *SUNZILOG_CONSOLE(void)

{

	int i;



	if (con_is_present())

		return NULL;



	for (i = 0; i < NUM_CHANNELS; i++) {

		int this_minor = sunzilog_reg.minor + i;



		if ((this_minor - 64) == (serial_console - 1))

			break;

	}

	if (i == NUM_CHANNELS)

		return NULL;



	sunzilog_console.index = i;

	sunzilog_port_table[i].flags |= SUNZILOG_FLAG_IS_CONS;



	return &sunzilog_console;

}



#else

#define SUNZILOG_CONSOLE	(NULL)

#define SUNZILOG_CONSOLE()	(NULL)

#define sunzilog_console_init() do { } while (0)

#endif
@@ -1666,14 +1688,14 @@ static int __init sunzilog_ports_init(void) 
	}

		

	sunzilog_reg.nr = uart_count;

	sunzilog_reg.cons = SUNZILOG_CONSOLE;



	sunzilog_reg.minor = sunserial_current_minor;

	sunserial_current_minor += uart_count;



	ret = uart_register_driver(&sunzilog_reg);

	if (ret == 0) {

		sunzilog_console_init();

		sunzilog_reg.cons = SUNZILOG_CONSOLE();



		sunserial_current_minor += uart_count;



		for (i = 0; i < NUM_CHANNELS; i++) {

			struct uart_sunzilog_port *up = &sunzilog_port_table[i];