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serial167: prepare to push BKL down into drivers

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Kill the softcar handlers again, wrap the ioctl handler in the BKL

Signed-off-by: Alan Cox <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Alan Cox 2008-04-30 00:53:22 -07:00 • committed by Linus Torvalds
commit 638157bc14
1 changed files with 3 additions and 12 deletions
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15
drivers/char/serial167.c
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@ -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");