1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index 79c97f94bcbd..61a6f977846f 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -177,7 +177,7 @@ int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
                 return -1;
         }
 
-        mutex_lock(&ps2dev->cmd_mutex);
+        mutex_lock_nested(&ps2dev->cmd_mutex, SINGLE_DEPTH_NESTING);
 
         serio_pause_rx(ps2dev->serio);
         ps2dev->flags = command == PS2_CMD_GETID ? PS2_FLAG_WAITID : 0;