Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754478Ab2ENGvb (ORCPT ); Mon, 14 May 2012 02:51:31 -0400 Received: from mga03.intel.com ([143.182.124.21]:50758 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751771Ab2ENGv3 convert rfc822-to-8bit (ORCPT ); Mon, 14 May 2012 02:51:29 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="99709118" From: "Du, ChangbinX" To: "gregkh@linuxfoundation.org" CC: "mina86@mina86.com" , "Fleming, Matt" , "balbi@ti.com" , "hpa@zytor.com" , "linux-kernel@vger.kernel.org" , "linux-usb@vger.kernel.org" Subject: [PATCH] testusb: add path /dev/bus/usb to default search paths for usbfs Thread-Topic: [PATCH] testusb: add path /dev/bus/usb to default search paths for usbfs Thread-Index: AQHNMZ2BooD2tGJJHE+2JranocONc5bI1+TQ Date: Mon, 14 May 2012 06:51:23 +0000 Message-ID: <0C18FE92A7765D4EB9EE5D38D86A563A062C91@SHSMSX101.ccr.corp.intel.com> References: <1337021163-1487-1-git-send-email-changbinx.du@intel.com> In-Reply-To: <1337021163-1487-1-git-send-email-changbinx.du@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1225 Lines: 41 As real device-nodes managed by udev whose nodes lived in /dev/bus/usb are mostly used today, let testusb tool use that directory as one default path make tool be more convenient to use. Signed-off-by: Du Changbin --- tools/usb/testusb.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/usb/testusb.c b/tools/usb/testusb.c index 6e0f567..c6c839e 100644 --- a/tools/usb/testusb.c +++ b/tools/usb/testusb.c @@ -358,6 +358,7 @@ static const char *usbfs_dir_find(void) { static char usbfs_path_0[] = "/dev/usb/devices"; static char usbfs_path_1[] = "/proc/bus/usb/devices"; + static char udev_usb_path[] = "/dev/bus/usb"; static char *const usbfs_paths[] = { usbfs_path_0, usbfs_path_1 @@ -376,6 +377,11 @@ static const char *usbfs_dir_find(void) } } while (++it != end); + /* real device-nodes managed by udev */ + if (access(udev_usb_path, F_OK) == 0) { + return udev_usb_path; + } + return NULL; } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/