linux-kernel - [PATCH 2/5] Input: gamecon - clear unused function pointers

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Message-Id: <1447767619-28329-2-git-send-email-sudipm.mukherjee@gmail.com>
Date:	Tue, 17 Nov 2015 19:10:16 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH 2/5] Input: gamecon - clear unused function pointers

gc_parport_cb is a local uninitialized structure and the member
function pointers will be pointing to arbitrary locations unless they
are cleared.

Fixes: a517e87c3dfc ("Input: gamecon - use parallel port device model")
Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
---
 drivers/input/joystick/gamecon.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/input/joystick/gamecon.c b/drivers/input/joystick/gamecon.c
index 5a672dc..eae14d5 100644
--- a/drivers/input/joystick/gamecon.c
+++ b/drivers/input/joystick/gamecon.c
@@ -951,6 +951,7 @@ static void gc_attach(struct parport *pp)
 	pads = gc_cfg[port_idx].args + 1;
 	n_pads = gc_cfg[port_idx].nargs - 1;
 
+	memset(&gc_parport_cb, 0, sizeof(gc_parport_cb));
 	gc_parport_cb.flags = PARPORT_FLAG_EXCL;
 
 	pd = parport_register_dev_model(pp, "gamecon", &gc_parport_cb,
-- 
1.9.1

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