From owner-svn-src-all@freebsd.org Sun Sep 4 16:59:37 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 09F64A9DCC8; Sun, 4 Sep 2016 16:59:37 +0000 (UTC) (envelope-from dim@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id B6D3CC57; Sun, 4 Sep 2016 16:59:36 +0000 (UTC) (envelope-from dim@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u84GxZ6q037812; Sun, 4 Sep 2016 16:59:35 GMT (envelope-from dim@FreeBSD.org) Received: (from dim@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u84GxZi5037811; Sun, 4 Sep 2016 16:59:35 GMT (envelope-from dim@FreeBSD.org) Message-Id: <201609041659.u84GxZi5037811@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: dim set sender to dim@FreeBSD.org using -f From: Dimitry Andric Date: Sun, 4 Sep 2016 16:59:35 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r305388 - head/sys/dev/usb/serial X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 04 Sep 2016 16:59:37 -0000 Author: dim Date: Sun Sep 4 16:59:35 2016 New Revision: 305388 URL: https://svnweb.freebsd.org/changeset/base/305388 Log: With clang 3.9.0, compiling uplcom results in the following warnings: sys/dev/usb/serial/uplcom.c:543:29: error: implicit conversion from 'int' to 'int8_t' (aka 'signed char') changes value from 192 to -64 [-Werror,-Wconstant-conversion] if (uplcom_pl2303_do(udev, UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0, 1) ~~~~~~~~~~~~~~~~ ^~~~~~~~~~~~~~~~~~~~~ sys/dev/usb/usb.h:179:53: note: expanded from macro 'UT_READ_VENDOR_DEVICE' #define UT_READ_VENDOR_DEVICE (UT_READ | UT_VENDOR | UT_DEVICE) ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~ This is because UT_READ is 0x80, so the int8_t argument is wrapped to a negative value. Fix this by using uint8_t instead. Reviewed by: imp, hselasky MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D7776 Modified: head/sys/dev/usb/serial/uplcom.c Modified: head/sys/dev/usb/serial/uplcom.c ============================================================================== --- head/sys/dev/usb/serial/uplcom.c Sun Sep 4 16:54:55 2016 (r305387) +++ head/sys/dev/usb/serial/uplcom.c Sun Sep 4 16:59:35 2016 (r305388) @@ -166,7 +166,7 @@ struct uplcom_softc { /* prototypes */ static usb_error_t uplcom_reset(struct uplcom_softc *, struct usb_device *); -static usb_error_t uplcom_pl2303_do(struct usb_device *, int8_t, uint8_t, +static usb_error_t uplcom_pl2303_do(struct usb_device *, uint8_t, uint8_t, uint16_t, uint16_t, uint16_t); static int uplcom_pl2303_init(struct usb_device *, uint8_t); static void uplcom_free(struct ucom_softc *); @@ -514,7 +514,7 @@ uplcom_reset(struct uplcom_softc *sc, st } static usb_error_t -uplcom_pl2303_do(struct usb_device *udev, int8_t req_type, uint8_t request, +uplcom_pl2303_do(struct usb_device *udev, uint8_t req_type, uint8_t request, uint16_t value, uint16_t index, uint16_t length) { struct usb_device_request req;