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path: root/arch/ia64/hp/sim/simserial.c
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Diffstat (limited to 'arch/ia64/hp/sim/simserial.c')
-rw-r--r--arch/ia64/hp/sim/simserial.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index 5095778be53..caab986af70 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -92,7 +92,7 @@ static struct serial_uart_config uart_config[] = {
{ "ST16650V2", 32, UART_CLEAR_FIFO | UART_USE_FIFO |
UART_STARTECH },
{ "TI16750", 64, UART_CLEAR_FIFO | UART_USE_FIFO},
- { 0, 0}
+ { NULL, 0}
};
struct tty_driver *hp_simserial_driver;
@@ -555,7 +555,7 @@ static void shutdown(struct async_struct * info)
if (info->xmit.buf) {
free_page((unsigned long) info->xmit.buf);
- info->xmit.buf = 0;
+ info->xmit.buf = NULL;
}
if (info->tty) set_bit(TTY_IO_ERROR, &info->tty->flags);
@@ -628,7 +628,7 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
if (tty->driver->flush_buffer) tty->driver->flush_buffer(tty);
if (tty->ldisc.flush_buffer) tty->ldisc.flush_buffer(tty);
info->event = 0;
- info->tty = 0;
+ info->tty = NULL;
if (info->blocked_open) {
if (info->close_delay)
schedule_timeout_interruptible(info->close_delay);
@@ -668,7 +668,7 @@ static void rs_hangup(struct tty_struct *tty)
info->event = 0;
state->count = 0;
info->flags &= ~ASYNC_NORMAL_ACTIVE;
- info->tty = 0;
+ info->tty = NULL;
wake_up_interruptible(&info->open_wait);
}
@@ -769,7 +769,7 @@ startup(struct async_struct *info)
/*
* Insert serial port into IRQ chain.
*/
- info->prev_port = 0;
+ info->prev_port = NULL;
info->next_port = IRQ_ports[state->irq];
if (info->next_port)
info->next_port->prev_port = info;