| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.4 65/90] Input: aiptek - use descriptors of current altsetting | Date | Mon, 3 Feb 2020 16:20:08 +0000 |
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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 06d0ffef4a171..e08b0ef078e81 100644 --- a/drivers/input/tablet/aiptek.c +++ b/drivers/input/tablet/aiptek.c @@ -1713,7 +1713,7 @@ 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; -- 2.20.1
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