walkera0701_parport_cb is a local uninitialized structure and the member
function pointers will be pointing to arbitrary locations unless they
are cleared.
Fixes: 221bcb24c653 ("Input: walkera0701 - use parallel port device model")
Signed-off-by: Sudip Mukherjee <su...@vectorindia.org>
---
drivers/input/joystick/walkera0701.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/input/joystick/walkera0701.c
b/drivers/input/joystick/walkera0701.c
index 9c07fe9..70a893a 100644
--- a/drivers/input/joystick/walkera0701.c
+++ b/drivers/input/joystick/walkera0701.c
@@ -218,6 +218,7 @@ static void walkera0701_attach(struct parport *pp)
w->parport = pp;
+ memset(&walkera0701_parport_cb, 0, sizeof(walkera0701_parport_cb));
walkera0701_parport_cb.flags = PARPORT_FLAG_EXCL;
walkera0701_parport_cb.irq_func = walkera0701_irq_handler;
walkera0701_parport_cb.private = w;
--
1.9.1
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