diff options
Diffstat (limited to 'drivers/char/vt.c')
| -rw-r--r-- | drivers/char/vt.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 59b204554..8425e64da 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -22,6 +22,7 @@ #include <linux/malloc.h> #include <linux/major.h> #include <linux/fs.h> +#include <linux/console.h> #include <asm/io.h> #include <asm/uaccess.h> @@ -105,12 +106,13 @@ _kd_mksound(unsigned int hz, unsigned int ticks) { static struct timer_list sound_timer = { NULL, NULL, 0, 0, kd_nosound }; - unsigned int count = 0; + unsigned long flags; if (hz > 20 && hz < 32767) count = 1193180 / hz; + save_flags(flags); cli(); del_timer(&sound_timer); if (count) { @@ -128,7 +130,7 @@ _kd_mksound(unsigned int hz, unsigned int ticks) } } else kd_nosound(0); - sti(); + restore_flags(flags); return; } @@ -804,12 +806,10 @@ int vt_ioctl(struct tty_struct *tty, struct file * file, * When we actually do the console switch, * make sure we are atomic with respect to * other console switches.. - * - * Damn! Was it difficult to make this clean? */ - disable_bh(CONSOLE_BH); + spin_lock_irq(&console_lock); complete_change_console(newvt); - enable_bh(CONSOLE_BH); + spin_unlock_irq(&console_lock); } } |