diff options
| author | Thomas Viehmann <tv@beamnet.de> | 2007-07-25 10:21:21 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-08-22 23:27:48 +0200 |
| commit | a66639ab286250fe66b960c34ac91d0b2ee58a79 (patch) | |
| tree | 80eb5386a7b1446821a45d7e4cb607c647c83bd0 /drivers/usb/serial/oti6858.c | |
| parent | USB: remove DEBUG definition from dummy_hcd (diff) | |
| download | linux-a66639ab286250fe66b960c34ac91d0b2ee58a79.tar.xz linux-a66639ab286250fe66b960c34ac91d0b2ee58a79.zip | |
usb-serial: fix oti6858.c segfault in termios handling
The oti6858 usb serial driver should use kernel_termios_to_user_termios/
user_termios_to_kernel_termios to avoid segfaults because the kernel
uses a structure differing from that of user space with a different
size.
Signed-off-by: Thomas Viehmann <tv@beamnet.de>
CC: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/serial/oti6858.c')
| -rw-r--r-- | drivers/usb/serial/oti6858.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c index d7db71eca520..833ada47fc54 100644 --- a/drivers/usb/serial/oti6858.c +++ b/drivers/usb/serial/oti6858.c @@ -818,19 +818,17 @@ static int oti6858_ioctl(struct usb_serial_port *port, struct file *file, switch (cmd) { case TCGETS: - if (copy_to_user(user_arg, port->tty->termios, - sizeof(struct ktermios))) { + if (kernel_termios_to_user_termios((struct ktermios __user *)arg, + port->tty->termios)) return -EFAULT; - } return 0; case TCSETS: case TCSETSW: /* FIXME: this is not the same! */ case TCSETSF: /* FIXME: this is not the same! */ - if (copy_from_user(port->tty->termios, user_arg, - sizeof(struct ktermios))) { + if (user_termios_to_kernel_termios(port->tty->termios, + (struct ktermios __user *)arg)) return -EFAULT; - } oti6858_set_termios(port, NULL); return 0; |