X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fchar%2Fserial167.c;h=f62fb9360c3f0a53463ac1e49502b995c7d69733;hb=e5b393e4f1178faaf3d7c22ef63e70c79633bd66;hp=df8cd0ca97ebcc5d8728ab36ffcdeabcd899c4f3;hpb=ab1ecbabb1c7b1599b1eb70c291407c557ea4ef3;p=linux-2.6

diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c
index df8cd0ca97..f62fb9360c 100644
--- a/drivers/char/serial167.c
+++ b/drivers/char/serial167.c
@@ -1539,6 +1539,8 @@ cy_ioctl(struct tty_struct *tty, struct file *file,
 	printk("cy_ioctl %s, cmd = %x arg = %lx\n", tty->name, cmd, arg);	/* */
 #endif
 
+	lock_kernel();
+
 	switch (cmd) {
 	case CYGETMON:
 		ret_val = get_mon_info(info, argp);
@@ -1584,18 +1586,6 @@ cy_ioctl(struct tty_struct *tty, struct file *file,
 		break;
 
 /* The following commands are incompletely implemented!!! */
-	case TIOCGSOFTCAR:
-		ret_val =
-		    put_user(C_CLOCAL(tty) ? 1 : 0,
-			     (unsigned long __user *)argp);
-		break;
-	case TIOCSSOFTCAR:
-		ret_val = get_user(val, (unsigned long __user *)argp);
-		if (ret_val)
-			break;
-		tty->termios->c_cflag =
-		    ((tty->termios->c_cflag & ~CLOCAL) | (val ? CLOCAL : 0));
-		break;
 	case TIOCGSERIAL:
 		ret_val = get_serial_info(info, argp);
 		break;
@@ -1605,6 +1595,7 @@ cy_ioctl(struct tty_struct *tty, struct file *file,
 	default:
 		ret_val = -ENOIOCTLCMD;
 	}
+	unlock_kernel();
 
 #ifdef SERIAL_DEBUG_OTHER
 	printk("cy_ioctl done\n");