Input: psmouse - fix potential memory leak in psmouse_connect()

If we successfully call input_register_device() in psmouse_connect()
but sysfs_create_group() fails, we'll enter the error path without
ever having called input_unregister_device() potentially leaking
memory.

Signed-off-by: Andres Salomon <dilinger@debian.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 21a9c0b69a1f..b8628252e10c 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -1247,6 +1247,8 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv)
  err_pt_deactivate:
         if (parent && parent->pt_deactivate)
                 parent->pt_deactivate(parent);
+        input_unregister_device(psmouse->dev);
+        input_dev = NULL; /* so we don't try to free it below */
  err_protocol_disconnect:
         if (psmouse->disconnect)
                 psmouse->disconnect(psmouse);