[3/7] Input: aiptek: use descriptors of current altsetting
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Message ID 20191210113737.4016-4-johan@kernel.org
State Mainlined
Commit cfa4f6a99fb183742cace65ec551b444852b8ef6
Headers show
Series
  • Input: fix USB alsetting bugs
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Commit Message

Johan Hovold Dec. 10, 2019, 11:37 a.m. UTC
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>
---
 drivers/input/tablet/aiptek.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
diff mbox series

diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c
index 06d0ffef4a17..e08b0ef078e8 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;