tgfx_parport_cb is a local uninitialized structure and the member
function pointers will be pointing to arbitrary locations unless they
are cleared.
Fixes: 4de27a638a99 ("Input: turbografx - use parallel port device model")
Signed-off-by: Sudip Mukherjee <sudip@xxxxxxxxxxxxxxx>
---
drivers/input/joystick/turbografx.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/input/joystick/turbografx.c b/drivers/input/joystick/turbografx.c
index 9f5bca2..77f575d 100644
--- a/drivers/input/joystick/turbografx.c
+++ b/drivers/input/joystick/turbografx.c
@@ -181,6 +181,7 @@ static void tgfx_attach(struct parport *pp)
n_buttons = tgfx_cfg[port_idx].args + 1;
n_devs = tgfx_cfg[port_idx].nargs - 1;
+ memset(&tgfx_parport_cb, 0, sizeof(tgfx_parport_cb));
tgfx_parport_cb.flags = PARPORT_FLAG_EXCL;
pd = parport_register_dev_model(pp, "turbografx", &tgfx_parport_cb,
--
1.9.1
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