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can: gs_usb: gs_usb_probe(): use descriptors of current altsetting

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commit 2f361cd9474ab2c4ab9ac8db20faf81e66c6279b upstream.

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>
Fixes: d08e973a77d1 ("can: gs_usb: Added support for the GS_USB CAN devices")
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2019-12-10 12:32:31 +01:00 committed by Greg Kroah-Hartman
parent 90a26bdc2f
commit 1df54fdd3f
1 changed files with 2 additions and 2 deletions
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4
drivers/net/can/usb/gs_usb.c
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@ -926,7 +926,7 @@ static int gs_usb_probe(struct usb_interface *intf,
GS_USB_BREQ_HOST_FORMAT,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
1,
intf->altsetting[0].desc.bInterfaceNumber,
intf->cur_altsetting->desc.bInterfaceNumber,
hconf,
sizeof(*hconf),
1000);
@ -949,7 +949,7 @@ static int gs_usb_probe(struct usb_interface *intf,
GS_USB_BREQ_DEVICE_CONFIG,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
1,
intf->altsetting[0].desc.bInterfaceNumber,
intf->cur_altsetting->desc.bInterfaceNumber,
dconf,
sizeof(*dconf),
1000);