X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fstallion.c;h=d17be10c5d2108f436a1479f15eb1f83373d82f4;hb=a836d3e882161c562b3ddacee5d8842a033c5b2c;hp=feac54e32a12753f25f78eaed9e7c1b7749cc141;hpb=c58310bf4933986513020fa90b4190c7492995ae;p=linux-2.6

diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c
index feac54e32a..d17be10c5d 100644
--- a/drivers/char/stallion.c
+++ b/drivers/char/stallion.c
@@ -875,6 +875,7 @@ static void stl_waituntilsent(struct tty_struct *tty, int timeout)
 		timeout = HZ;
 	tend = jiffies + timeout;
 
+	lock_kernel();
 	while (stl_datastate(portp)) {
 		if (signal_pending(current))
 			break;
@@ -882,6 +883,7 @@ static void stl_waituntilsent(struct tty_struct *tty, int timeout)
 		if (time_after_eq(jiffies, tend))
 			break;
 	}
+	unlock_kernel();
 }
 
 /*****************************************************************************/
@@ -1273,18 +1275,9 @@ static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd
 
 	rc = 0;
 
+	lock_kernel();
+
 	switch (cmd) {
-	case TIOCGSOFTCAR:
-		rc = put_user(((tty->termios->c_cflag & CLOCAL) ? 1 : 0),
-			(unsigned __user *) argp);
-		break;
-	case TIOCSSOFTCAR:
-		if (get_user(ival, (unsigned int __user *) arg))
-			return -EFAULT;
-		tty->termios->c_cflag =
-				(tty->termios->c_cflag & ~CLOCAL) |
-				(ival ? CLOCAL : 0);
-		break;
 	case TIOCGSERIAL:
 		rc = stl_getserial(portp, argp);
 		break;
@@ -1308,7 +1301,7 @@ static int stl_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd
 		rc = -ENOIOCTLCMD;
 		break;
 	}
-
+	unlock_kernel();
 	return rc;
 }
 
@@ -1645,7 +1638,7 @@ static irqreturn_t stl_intr(int irq, void *dev_id)
 {
 	struct stlbrd *brdp = dev_id;
 
-	pr_debug("stl_intr(brdp=%p,irq=%d)\n", brdp, irq);
+	pr_debug("stl_intr(brdp=%p,irq=%d)\n", brdp, brdp->irq);
 
 	return IRQ_RETVAL((* brdp->isr)(brdp));
 }