From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 50C2A1369B4; Fri, 30 Aug 2024 15:16:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725030981; cv=none; b=p00Eav8CM2fUdHEZH8yWCmQ1OlzZPsq7/RslNjhiwQe87vEcGo9l48DVagn6MAdqFIqoQWUY586SzlRT2GiTGQvscRFe1Bx+ZGRe5jEHPf4M056Kzr8ysr3Px/JsJ3vFxuuC1BWcCUBZwhhEb+QkGRYB83mq5Iv6ZhXncLZ8r2E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725030981; c=relaxed/simple; bh=/CToR2noGOmvfazw9DBbjHmDtYon0YLhA9vEC/k1uIs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=b0w+gePoNbQ7LIDCwUlyWMO5POz0rD5Gu7948WZs2IkLJ6P2yiyjClEHQBu25LZu7nA6Twg9dKDeyj9Gwc8fiNzk0cHDO3PLSKwvV/4kn/Scer7H4JBAy+pl1GHHkpzEZZxg+m5W9CscWr1f2R2sj8lnRjcaJlCnNhqw09TfCo0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=dE3YC7Yi; arc=none smtp.client-ip=192.198.163.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="dE3YC7Yi" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1725030979; x=1756566979; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=/CToR2noGOmvfazw9DBbjHmDtYon0YLhA9vEC/k1uIs=; b=dE3YC7YiVH2idPYGqYNN2Cj/bj7z4cVPykoqREcc7wb/Y/H2AB6YaRGU M7JlvbY8w2CrqnQRxt1hZPm77G102OVFtA83Ia/SnxzT9UuZTtiWmaBl+ ytC0aeRVWlFwM0YT1qWdjJz2jF1GRZ9Z1hFnJNwh8mFHVa27CzX2khPA0 ppiOb/tZEw74yoU1HMqMgSIQuxwpHNWmo4F2vMIDC9tUL69//3etQ4Ajg UZBNw56gJ2kzV6FWdWLdlG/aZemv1GDRvjN9/glMDhZyJNNBtHvrnoBE2 OaC+qAfMP5Slb7/JdS2qudbyMCUTi5yJNGvwSiXXLW6jyWTlAyNQvRwUS g==; X-CSE-ConnectionGUID: KsRwUFBAR1CzYShl8gmgJw== X-CSE-MsgGUID: 1RNpFkMFQdKRmJTVPVSD/A== X-IronPort-AV: E=McAfee;i="6700,10204,11180"; a="34343600" X-IronPort-AV: E=Sophos;i="6.10,189,1719903600"; d="scan'208";a="34343600" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Aug 2024 08:16:18 -0700 X-CSE-ConnectionGUID: 7lCWqmbKSfCRo2rYoIM5mA== X-CSE-MsgGUID: zyJK6N7QTpeG04QKnMQBow== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,189,1719903600"; d="scan'208";a="94736036" Received: from lkp-server01.sh.intel.com (HELO 9c6b1c7d3b50) ([10.239.97.150]) by fmviesa001.fm.intel.com with ESMTP; 30 Aug 2024 08:16:15 -0700 Received: from kbuild by 9c6b1c7d3b50 with local (Exim 4.96) (envelope-from ) id 1sk3MC-0001Ze-2l; Fri, 30 Aug 2024 15:16:12 +0000 Date: Fri, 30 Aug 2024 23:15:40 +0800 From: kernel test robot To: Michael Grzeschik , Eric Van Hensbergen , Latchesar Ionkov , Dominique Martinet , Christian Schoenebeck , Jonathan Corbet , Greg Kroah-Hartman Cc: oe-kbuild-all@lists.linux.dev, Andrzej Pietrasiewicz , v9fs@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, kernel@pengutronix.de, Michael Grzeschik Subject: Re: [PATCH v10 2/3] net/9p/usbg: Add new usb gadget function transport Message-ID: <202408302200.rlcB6d6K-lkp@intel.com> References: <20240116-ml-topic-u9p-v10-2-a85fdeac2c52@pengutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240116-ml-topic-u9p-v10-2-a85fdeac2c52@pengutronix.de> Hi Michael, kernel test robot noticed the following build warnings: [auto build test WARNING on usb/usb-linus] [also build test WARNING on linus/master v6.11-rc5] [cannot apply to usb/usb-testing usb/usb-next ericvh-v9fs/for-next next-20240830] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Michael-Grzeschik/net-9p-usbg-Add-new-usb-gadget-function-transport/20240827-064810 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-linus patch link: https://lore.kernel.org/r/20240116-ml-topic-u9p-v10-2-a85fdeac2c52%40pengutronix.de patch subject: [PATCH v10 2/3] net/9p/usbg: Add new usb gadget function transport config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20240830/202408302200.rlcB6d6K-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240830/202408302200.rlcB6d6K-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202408302200.rlcB6d6K-lkp@intel.com/ All warnings (new ones prefixed by >>): net/9p/trans_usbg.c: In function 'p9_usbg_create': >> net/9p/trans_usbg.c:373:30: warning: variable 'f' set but not used [-Wunused-but-set-variable] 373 | struct usb_function *f; | ^ vim +/f +373 net/9p/trans_usbg.c 368 369 static int p9_usbg_create(struct p9_client *client, const char *devname, char *args) 370 { 371 struct f_usb9pfs_dev *dev; 372 struct f_usb9pfs *usb9pfs; > 373 struct usb_function *f; 374 int ret = -ENOENT; 375 int found = 0; 376 377 if (!devname) 378 return -EINVAL; 379 380 guard(mutex)(&usb9pfs_lock); 381 382 list_for_each_entry(dev, &usbg_instance_list, usb9pfs_instance) { 383 if (!strncmp(devname, dev->tag, strlen(devname))) { 384 if (!dev->inuse) { 385 dev->inuse = true; 386 found = 1; 387 break; 388 } 389 ret = -EBUSY; 390 break; 391 } 392 } 393 394 if (!found) { 395 pr_err("no channels available for device %s\n", devname); 396 return ret; 397 } 398 399 usb9pfs = dev->usb9pfs; 400 if (!usb9pfs) 401 return -EINVAL; 402 403 f = &usb9pfs->function; 404 405 client->trans = (void *)usb9pfs; 406 if (!usb9pfs->in_req) 407 client->status = Disconnected; 408 else 409 client->status = Connected; 410 usb9pfs->client = client; 411 412 client->trans_mod->maxsize = usb9pfs->buflen; 413 414 complete(&usb9pfs->received); 415 416 return 0; 417 } 418 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki