X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fchar%2Fmxser.c;h=ea725a9964e2007075db5e814422ceed52f84ee3;hb=53ea68ecea11bcbb3451c2758ce181bd97b569a9;hp=d5c34af8752dda7121176d85da62771a89744e95;hpb=64698b694db96b8db6f379de7d2040f61c6fc7bf;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index d5c34af..ea725a9 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -38,7 +38,6 @@
 
 #include <linux/config.h>
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/autoconf.h>
 #include <linux/errno.h>
 #include <linux/signal.h>
@@ -814,7 +813,7 @@ static int mxser_init(void)
 
 	/* start finding PCI board here */
 #ifdef CONFIG_PCI
-	n = (sizeof(mxser_pcibrds) / sizeof(mxser_pcibrds[0])) - 1;
+	n = ARRAY_SIZE(mxser_pcibrds) - 1;
 	index = 0;
 	b = 0;
 	while (b < n) {
@@ -917,6 +916,9 @@ static int mxser_open(struct tty_struct *tty, struct file *filp)
 	struct mxser_struct *info;
 	int retval, line;
 
+	/* initialize driver_data in case something fails */
+	tty->driver_data = NULL;
+
 	line = tty->index;
 	if (line == MXSER_PORTS)
 		return 0;
@@ -979,7 +981,7 @@ static void mxser_close(struct tty_struct *tty, struct file *filp)
 	if (tty->index == MXSER_PORTS)
 		return;
 	if (!info)
-		BUG();
+		return;
 
 	spin_lock_irqsave(&info->slock, flags);
 
@@ -1980,7 +1982,7 @@ static void mxser_receive_chars(struct mxser_struct *info, int *status)
 
 	spin_lock_irqsave(&info->slock, flags);
 
-	recv_room = tty->ldisc.receive_room(tty);
+	recv_room = tty->receive_room;
 	if ((recv_room == 0) && (!info->ldisc_stop_rx)) {
 		//mxser_throttle(tty);
 		mxser_stoprx(tty);