From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:41296 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750848AbeAVOfz (ORCPT ); Mon, 22 Jan 2018 09:35:55 -0500 Subject: patch "usb/gadget: Fix "high bandwidth" check in usb_gadget_ep_match_desc()" added to usb-testing To: benh@kernel.crashing.org, gregkh@linuxfoundation.org, stable@vger.kernel.org From: Date: Mon, 22 Jan 2018 15:35:11 +0100 Message-ID: <15166317110110@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled usb/gadget: Fix "high bandwidth" check in usb_gadget_ep_match_desc() to my usb git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git in the usb-testing branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will be merged to the usb-next branch sometime soon, after it passes testing, and the merge window is open. If you have any questions about this process, please let me know. >>From 11fb37998759c48e4e4c200c974593cbeab25d3e Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Fri, 12 Jan 2018 17:50:02 +1100 Subject: usb/gadget: Fix "high bandwidth" check in usb_gadget_ep_match_desc() The current code tries to test for bits that are masked out by usb_endpoint_maxp(). Instead, use the proper accessor to access the new high bandwidth bits. Signed-off-by: Benjamin Herrenschmidt Cc: stable Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/udc/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index 1b3efb14aec7..ac0541529499 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -912,7 +912,7 @@ int usb_gadget_ep_match_desc(struct usb_gadget *gadget, return 0; /* "high bandwidth" works only at high speed */ - if (!gadget_is_dualspeed(gadget) && usb_endpoint_maxp(desc) & (3<<11)) + if (!gadget_is_dualspeed(gadget) && usb_endpoint_maxp_mult(desc) > 1) return 0; switch (type) { -- 2.16.0