USB: use usb_endpoint_maxp() instead of le16_to_cpu()

Now ${LINUX}/drivers/usb/* can use usb_endpoint_maxp(desc) to get maximum packet size
instead of le16_to_cpu(desc->wMaxPacketSize).
This patch fix it up

Cc: Armin Fuerst <[email protected]>
Cc: Pavel Machek <[email protected]>
Cc: Johannes Erdfelt <[email protected]>
Cc: Vojtech Pavlik <[email protected]>
Cc: Oliver Neukum <[email protected]>
Cc: David Kubicek <[email protected]>
Cc: Johan Hovold <[email protected]>
Cc: Brad Hards <[email protected]>
Acked-by: Felipe Balbi <[email protected]>
Cc: Sebastian Andrzej Siewior <[email protected]>
Cc: Thomas Dahlmann <[email protected]>
Cc: David Brownell <[email protected]>
Cc: David Lopo <[email protected]>
Cc: Alan Stern <[email protected]>
Cc: Michal Nazarewicz <[email protected]>
Cc: Xie Xiaobo <[email protected]>
Cc: Li Yang <[email protected]>
Cc: Jiang Bo <[email protected]>
Cc: Yuan-hsin Chen <[email protected]>
Cc: Darius Augulis <[email protected]>
Cc: Xiaochen Shen <[email protected]>
Cc: Yoshihiro Shimoda <[email protected]>
Cc: OKI SEMICONDUCTOR, <[email protected]>
Cc: Robert Jarzmik <[email protected]>
Cc: Ben Dooks <[email protected]>
Cc: Thomas Abraham <[email protected]>
Cc: Herbert Pötzl <[email protected]>
Cc: Arnaud Patard <[email protected]>
Cc: Roman Weissgaerber <[email protected]>
Acked-by: Sarah Sharp <[email protected]>
Cc: Tony Olech <[email protected]>
Cc: Florian Floe Echtler <[email protected]>
Cc: Christian Lucht <[email protected]>
Cc: Juergen Stuber <[email protected]>
Cc: Georges Toth <[email protected]>
Cc: Bill Ryder <[email protected]>
Cc: Kuba Ober <[email protected]>
Cc: Inaky Perez-Gonzalez <[email protected]>
Signed-off-by: Kuninori Morimoto <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index dac7676ce21b..f69a1854a59c 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1058,11 +1058,11 @@ made_compressed_probe:
 		goto alloc_fail;
 	}
 
-	ctrlsize = le16_to_cpu(epctrl->wMaxPacketSize);
-	readsize = le16_to_cpu(epread->wMaxPacketSize) *
+	ctrlsize = usb_endpoint_maxp(epctrl);
+	readsize = usb_endpoint_maxp(epread) *
 				(quirks == SINGLE_RX_URB ? 1 : 2);
 	acm->combined_interfaces = combined_interfaces;
-	acm->writesize = le16_to_cpu(epwrite->wMaxPacketSize) * 20;
+	acm->writesize = usb_endpoint_maxp(epwrite) * 20;
 	acm->control = control_interface;
 	acm->data = data_interface;
 	acm->minor = minor;