1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index 74ecb5b2968e..fb57f67bb427 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;