From d102e78f7035f2d6896ced598122b878afd1c352 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Mon, 1 Jul 2013 11:23:24 +0300 Subject: [PATCH] usb: class: cdc-acm: be careful with bInterval bInterval must be on the range 1 - 16, if we want to pass the maximum allowed, we should be passing 16 Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/cdc-acm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 9f49bfe4c6f4..3e7560f004f8 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1295,7 +1295,7 @@ skip_countries: usb_rcvintpipe(usb_dev, epctrl->bEndpointAddress), acm->ctrl_buffer, ctrlsize, acm_ctrl_irq, acm, /* works around buggy devices */ - epctrl->bInterval ? epctrl->bInterval : 0xff); + epctrl->bInterval ? epctrl->bInterval : 16); acm->ctrlurb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; acm->ctrlurb->transfer_dma = acm->ctrl_dma; -- 2.30.2