The variable i is used to check the port to attach to and we are supposed to save the reference of struct gc in the location given by gc_base[i]. But after finding out the index i is getting modified again so we saved in a wrong index. Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Fixes: a517e87c3dfc ("Input: gamecon - use parallel port device model") Signed-off-by: Sudip Mukherjee <sudip@xxxxxxxxxxxxxxx> --- drivers/input/joystick/gamecon.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/input/joystick/gamecon.c b/drivers/input/joystick/gamecon.c index 394ccbe..0f1f1c4 100644 --- a/drivers/input/joystick/gamecon.c +++ b/drivers/input/joystick/gamecon.c @@ -931,7 +931,7 @@ static void gc_attach(struct parport *pp) { struct gc *gc; struct pardevice *pd; - int i; + int i, j; int count = 0; int *pads, n_pads; struct pardev_cb gc_parport_cb; @@ -948,6 +948,7 @@ static void gc_attach(struct parport *pp) pr_debug("Not using parport%d.\n", pp->number); return; } + j = i; pads = gc_cfg[i].args + 1; n_pads = gc_cfg[i].nargs - 1; @@ -985,7 +986,7 @@ static void gc_attach(struct parport *pp) goto err_free_gc; } - gc_base[i] = gc; + gc_base[j] = gc; return; err_unreg_devs: -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html