1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/char/esp.c b/drivers/char/esp.c
index c01e26d9ee5e..f3fe62067344 100644
--- a/drivers/char/esp.c
+++ b/drivers/char/esp.c
@@ -2484,6 +2484,7 @@ static int __init espserial_init(void)
                         return 0;
                 }
 
+                spin_lock_init(&info->lock);
                 /* rx_trigger, tx_trigger are needed by autoconfig */
                 info->config.rx_trigger = rx_trigger;
                 info->config.tx_trigger = tx_trigger;