diff options
Diffstat (limited to 'drivers/char/hvc_console.c')
| -rw-r--r-- | drivers/char/hvc_console.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index 74ecb5b2968..fb57f67bb42 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -642,8 +642,11 @@ int hvc_poll(struct hvc_struct *hp) /* Handle the SysRq Hack */ /* XXX should support a sequence */ if (buf[i] == '\x0f') { /* ^O */ - sysrq_pressed = 1; - continue; + /* if ^O is pressed again, reset + * sysrq_pressed and flip ^O char */ + sysrq_pressed = !sysrq_pressed; + if (sysrq_pressed) + continue; } else if (sysrq_pressed) { handle_sysrq(buf[i], tty); sysrq_pressed = 0; |