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Subject[PATCH 4.14 70/89] Input: aiptek - use descriptors of current altsetting
Date
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 fbe2df91aad3a..838b91337cd03 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;
--
2.20.1


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