From 638157bc1461f6718eeca06bedd9a09cf1f35c36 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Wed, 30 Apr 2008 00:53:22 -0700 Subject: [PATCH] serial167: prepare to push BKL down into drivers Kill the softcar handlers again, wrap the ioctl handler in the BKL Signed-off-by: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/serial167.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c index df8cd0ca97eb..f62fb9360c3f 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"); -- 2.20.1