From: Johan Hovold johan@kernel.org
[ Upstream commit cfa4f6a99fb183742cace65ec551b444852b8ef6 ]
Make sure to always use the descriptors of the current alternate setting to avoid future issues when accessing fields that may differ between settings.
Signed-off-by: Johan Hovold johan@kernel.org Acked-by: Vladis Dronov vdronov@redhat.com Link: https://lore.kernel.org/r/20191210113737.4016-4-johan@kernel.org Signed-off-by: Dmitry Torokhov dmitry.torokhov@gmail.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/input/tablet/aiptek.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c index 5a7e5e073e526..3b5bccad4a1bb 100644 --- a/drivers/input/tablet/aiptek.c +++ b/drivers/input/tablet/aiptek.c @@ -1733,7 +1733,7 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
aiptek->inputdev = inputdev; aiptek->intf = intf; - aiptek->ifnum = intf->altsetting[0].desc.bInterfaceNumber; + aiptek->ifnum = intf->cur_altsetting->desc.bInterfaceNumber; aiptek->inDelay = 0; aiptek->endDelay = 0; aiptek->previousJitterable = 0;