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authorAlan Cox <alan@linux.intel.com>2011-02-14 16:28:18 +0000
committerGreg Kroah-Hartman <gregkh@suse.de>2011-02-17 12:03:53 -0800
commitafaae08442d86402f9e0b63475c02a651c6f1387 (patch)
tree2f2845b4de1491b308079ee230504d1d5afbff67 /drivers/bluetooth
parent8d075b199b9a66ad90296f898f1f15c0ae1511b8 (diff)
downloadlinux-afaae08442d86402f9e0b63475c02a651c6f1387.tar.gz
hci_ath: Fix the mess in this driver
Was this exploitable - who knows, but it was certainly totally broken

Signed-of-by: Alan Cox <alan@linux.intel.com>

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/bluetooth')
-rw-r--r--drivers/bluetooth/hci_ath.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/drivers/bluetooth/hci_ath.c b/drivers/bluetooth/hci_ath.c
index 6a160c17ea94..bd34406faaae 100644
--- a/drivers/bluetooth/hci_ath.c
+++ b/drivers/bluetooth/hci_ath.c
@@ -51,32 +51,32 @@ struct ath_struct {
 
 static int ath_wakeup_ar3k(struct tty_struct *tty)
 {
-	struct termios settings;
-	int status = tty->driver->ops->tiocmget(tty, NULL);
+	struct ktermios ktermios;
+	int status = tty->driver->ops->tiocmget(tty);
 
 	if (status & TIOCM_CTS)
 		return status;
 
 	/* Disable Automatic RTSCTS */
-	n_tty_ioctl_helper(tty, NULL, TCGETS, (unsigned long)&settings);
-	settings.c_cflag &= ~CRTSCTS;
-	n_tty_ioctl_helper(tty, NULL, TCSETS, (unsigned long)&settings);
+	memcpy(&ktermios, tty->termios, sizeof(ktermios));
+	ktermios.c_cflag &= ~CRTSCTS;
+	tty_set_termios(tty, &ktermios);
 
 	/* Clear RTS first */
-	status = tty->driver->ops->tiocmget(tty, NULL);
-	tty->driver->ops->tiocmset(tty, NULL, 0x00, TIOCM_RTS);
+	status = tty->driver->ops->tiocmget(tty);
+	tty->driver->ops->tiocmset(tty, 0x00, TIOCM_RTS);
 	mdelay(20);
 
 	/* Set RTS, wake up board */
-	status = tty->driver->ops->tiocmget(tty, NULL);
-	tty->driver->ops->tiocmset(tty, NULL, TIOCM_RTS, 0x00);
+	status = tty->driver->ops->tiocmget(tty);
+	tty->driver->ops->tiocmset(tty, TIOCM_RTS, 0x00);
 	mdelay(20);
 
-	status = tty->driver->ops->tiocmget(tty, NULL);
+	status = tty->driver->ops->tiocmget(tty);
 
-	n_tty_ioctl_helper(tty, NULL, TCGETS, (unsigned long)&settings);
-	settings.c_cflag |= CRTSCTS;
-	n_tty_ioctl_helper(tty, NULL, TCSETS, (unsigned long)&settings);
+	/* Disable Automatic RTSCTS */
+	ktermios.c_cflag |= CRTSCTS;
+	status = tty_set_termios(tty, &ktermios);
 
 	return status;
 }