From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=BAYES_00,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BD25C4727C for ; Tue, 29 Sep 2020 14:35:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EDC8E2074B for ; Tue, 29 Sep 2020 14:35:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728818AbgI2Ofj convert rfc822-to-8bit (ORCPT ); Tue, 29 Sep 2020 10:35:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:44328 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728563AbgI2Ofj (ORCPT ); Tue, 29 Sep 2020 10:35:39 -0400 From: bugzilla-daemon@bugzilla.kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 209411] When retrieving string descriptor from mobile device returns eproto error Date: Tue, 29 Sep 2020 14:35:38 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: USB X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: rachithas104@gmail.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=209411 --- Comment #2 from rachithas104@gmail.com --- (In reply to Greg Kroah-Hartman from comment #1) > On Sun, Sep 27, 2020 at 05:51:20PM +0000, > bugzilla-daemon@bugzilla.kernel.org wrote: > > https://bugzilla.kernel.org/show_bug.cgi?id=209411 > > > > Bug ID: 209411 > > Summary: When retrieving string descriptor from mobile device > > returns eproto error > > Product: Drivers > > Version: 2.5 > > Kernel Version: 4.19 > > Hardware: All > > OS: Linux > > Tree: Mainline > > Status: NEW > > Severity: normal > > Priority: P1 > > Component: USB > > Assignee: drivers_usb@kernel-bugs.kernel.org > > Reporter: rachithas104@gmail.com > > Regression: No > > > > I am trying to get get string descriptor from mobile phone,however when > > trying > > to retrieve one particular index it returns EPROTO, > > > > dev->fd, USB_DIR_IN,USB_REQ_GET_DESCRIPTOR,DESCRIPT_STRING * 256 + index, > > languageid, sizeof buf, buf); > > > > Return value is -1 for ioctl(fd, USBDEVFS_CONTROL, &ioctl_ctrl); > > > > kernel: [ 7084.327097] usb 1-1.2: reset high-speed USB device number 12 > using > > ehci-pci > > kernel: [ 7084.831056] usb 1-1.2: device not accepting address 12, error > -71 > > kernel: [ 7085.119075] usb 1-1.2: reset high-speed USB device number 12 > using > > ehci-pci > > kernel: [ 7085.431054] usb 1-1.2: reset high-speed USB device number 12 > > using > > ehci-pci > > [ 7085.935069] usb 1-1.2: device not accepting address 12, error -71 > > [ 7086.227132] usb 1-1.2: reset high-speed USB device number 12 using > > ehci-pci > > S[ 7087.321929] usb 1-1.2: usbfs: USBDEVFS_CONTROL failed cmd ctxusb rqt > 128 > > rq > > 6 len 255 ret -71 > > kernel: [ 7087.607093] usb 1-1.2: reset high-speed USB device number 12 > > using > > ehci-pci > > > > My URB request and without my program in picture request is same > > Not all strings are readable from the device, are you sure that is a > valid string descriptor index to be requesting? Yes its valid string, -- You are receiving this mail because: You are watching the assignee of the bug.