Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 95160
b: refs/heads/master
c: 1eac494
h: refs/heads/master
v: v3
  • Loading branch information
Alan Cox authored and Linus Torvalds committed Apr 30, 2008
1 parent 7770274 commit 5d879f4
Show file tree
Hide file tree
Showing 2 changed files with 9 additions and 15 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 5a4bc8c1bde7bcb7f02950764e37e9d6bbdb3e32
refs/heads/master: 1eac494738a0447ef0c423ee2066f85a44ab59f5
22 changes: 8 additions & 14 deletions trunk/drivers/char/isicom.c
Original file line number Diff line number Diff line change
Expand Up @@ -1258,15 +1258,19 @@ static int isicom_set_serial_info(struct isi_port *port,
if (copy_from_user(&newinfo, info, sizeof(newinfo)))
return -EFAULT;

lock_kernel();

reconfig_port = ((port->flags & ASYNC_SPD_MASK) !=
(newinfo.flags & ASYNC_SPD_MASK));

if (!capable(CAP_SYS_ADMIN)) {
if ((newinfo.close_delay != port->close_delay) ||
(newinfo.closing_wait != port->closing_wait) ||
((newinfo.flags & ~ASYNC_USR_MASK) !=
(port->flags & ~ASYNC_USR_MASK)))
(port->flags & ~ASYNC_USR_MASK))) {
unlock_kernel();
return -EPERM;
}
port->flags = ((port->flags & ~ ASYNC_USR_MASK) |
(newinfo.flags & ASYNC_USR_MASK));
}
Expand All @@ -1282,6 +1286,7 @@ static int isicom_set_serial_info(struct isi_port *port,
isicom_config_port(port);
spin_unlock_irqrestore(&port->card->card_lock, flags);
}
unlock_kernel();
return 0;
}

Expand All @@ -1290,6 +1295,7 @@ static int isicom_get_serial_info(struct isi_port *port,
{
struct serial_struct out_info;

lock_kernel();
memset(&out_info, 0, sizeof(out_info));
/* out_info.type = ? */
out_info.line = port - isi_ports;
Expand All @@ -1299,6 +1305,7 @@ static int isicom_get_serial_info(struct isi_port *port,
/* out_info.baud_base = ? */
out_info.close_delay = port->close_delay;
out_info.closing_wait = port->closing_wait;
unlock_kernel();
if (copy_to_user(info, &out_info, sizeof(out_info)))
return -EFAULT;
return 0;
Expand Down Expand Up @@ -1331,19 +1338,6 @@ static int isicom_ioctl(struct tty_struct *tty, struct file *filp,
tty_wait_until_sent(tty, 0);
isicom_send_break(port, arg ? arg * (HZ/10) : HZ/4);
return 0;

case TIOCGSOFTCAR:
return put_user(C_CLOCAL(tty) ? 1 : 0,
(unsigned long __user *)argp);

case TIOCSSOFTCAR:
if (get_user(arg, (unsigned long __user *) argp))
return -EFAULT;
tty->termios->c_cflag =
((tty->termios->c_cflag & ~CLOCAL) |
(arg ? CLOCAL : 0));
return 0;

case TIOCGSERIAL:
return isicom_get_serial_info(port, argp);

Expand Down

0 comments on commit 5d879f4

Please sign in to comment.