diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index 0ad6cb081db4..6b4d4d1e343d 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -113,6 +113,7 @@ static struct sysrq_key_op sysrq_crashdump_op = {
 static void sysrq_handle_reboot(int key, struct pt_regs *pt_regs,
 				struct tty_struct *tty)
 {
+	lockdep_off();
 	local_irq_enable();
 	emergency_restart();
 }