From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (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 DBEEA2DB791 for ; Fri, 6 Mar 2026 05:31:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772775063; cv=none; b=Mwn1oyKKJYem8kBk3NeUL0VrizJUrZ74zPOi3ILDr8YcAS39DkBsvDBcW/mo4KdSGwuPiDoAng0LS/yMY3HgzvTDb9aAMkaKgV3DRQtL4vFDwTvMVkfNBkLWi7GgbEyrDGnRK/PqUoVW4OMtOodZUTLGv0GebqVFuIAv5GKPBcE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772775063; c=relaxed/simple; bh=UQVj+4TB1lno7CjQqt7Cp72eJsa9hK96zF25KWsGLkU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hERvHG/xNz2AQKwH55JWZOnj4SvgPyzJEpxsWnwxeydrxiiyIvsgqlZKMFksbeI+A3q+gXS8GEhX4p7WSDFlhCFFqBQ4gOfxlvd7y9mAQo2x4z6pDRNsYWTr+yyKbOdcjPbRchtDfBHPPpxRJp/SjXUwLNbNnBk5+diPbwXhBu8= 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=i7+ySN7f; arc=none smtp.client-ip=198.175.65.13 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="i7+ySN7f" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1772775061; x=1804311061; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=UQVj+4TB1lno7CjQqt7Cp72eJsa9hK96zF25KWsGLkU=; b=i7+ySN7f64vVTVjbT17eMlTjnc2hBGB49eXXMIwfJZeiBUK+2ugevexy FZwKJqXm2NwwrQ5mt2uM/D1eFJv9E35ItKoaXiPv3hEzSAt8I22gGGvCA UkqT5BcVNqUAdeizHMLKJ05Y85VPo8+4c2MGlzHBhZhv5ZdZxlRRS+5YN NOOAEqJ0ANR17Rca6DFpWQZKNwSJZDz+loyv1HmOoN6jQPY7yOxLxLD6/ bFrVJg92Ejcr+YyA+o+d85ql24JrvvJJX7ufXgLV0VM5LFkIqmL98tARg 3e7fsPJsmlpzfKEue1kJKzD87/S9FmjWsxpGzgO+sCtmz6M1tbU7bXEbH A==; X-CSE-ConnectionGUID: j6veGxw4T9mRb5NtcNjdbA== X-CSE-MsgGUID: ln4XegS1TYiU/g6PtKv06g== X-IronPort-AV: E=McAfee;i="6800,10657,11720"; a="84962235" X-IronPort-AV: E=Sophos;i="6.23,104,1770624000"; d="scan'208";a="84962235" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Mar 2026 21:31:00 -0800 X-CSE-ConnectionGUID: IyWP3rrCSNSM77tXvLClcw== X-CSE-MsgGUID: 6z5QUK0KT4iHtgWvKA6zRA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,104,1770624000"; d="scan'208";a="221730623" Received: from lkp-server01.sh.intel.com (HELO 058beb05654c) ([10.239.97.150]) by fmviesa004.fm.intel.com with ESMTP; 05 Mar 2026 21:30:58 -0800 Received: from kbuild by 058beb05654c with local (Exim 4.98.2) (envelope-from ) id 1vyNm3-000000000PJ-3h44; Fri, 06 Mar 2026 05:30:55 +0000 Date: Fri, 6 Mar 2026 13:30:41 +0800 From: kernel test robot To: Johan Hovold , Alex Elder , Greg Kroah-Hartman Cc: oe-kbuild-all@lists.linux.dev, greybus-dev@lists.linaro.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] greybus: es2: drop redundant device reference Message-ID: <202603061306.GsnCxitD-lkp@intel.com> References: <20260305125036.10856-1-johan@kernel.org> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260305125036.10856-1-johan@kernel.org> Hi Johan, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v7.0-rc2 next-20260305] [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/Johan-Hovold/greybus-es2-drop-redundant-device-reference/20260305-210146 base: linus/master patch link: https://lore.kernel.org/r/20260305125036.10856-1-johan%40kernel.org patch subject: [PATCH] greybus: es2: drop redundant device reference config: i386-buildonly-randconfig-001-20260306 (https://download.01.org/0day-ci/archive/20260306/202603061306.GsnCxitD-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260306/202603061306.GsnCxitD-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/202603061306.GsnCxitD-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/greybus/es2.c: In function 'es2_destroy': >> drivers/greybus/es2.c:775:28: warning: variable 'udev' set but not used [-Wunused-but-set-variable] 775 | struct usb_device *udev; | ^~~~ vim +/udev +775 drivers/greybus/es2.c f587027e793cf8 drivers/staging/greybus/gb-es2.c Greg Kroah-Hartman 2015-01-21 772 57bc17ffc566de drivers/staging/greybus/es2.c Johan Hovold 2015-11-04 773 static void es2_destroy(struct es2_ap_dev *es2) f587027e793cf8 drivers/staging/greybus/gb-es2.c Greg Kroah-Hartman 2015-01-21 774 { f587027e793cf8 drivers/staging/greybus/gb-es2.c Greg Kroah-Hartman 2015-01-21 @775 struct usb_device *udev; 1521eb6b6995dd drivers/staging/greybus/es2.c Greg Kroah-Hartman 2016-08-17 776 struct urb *urb; f587027e793cf8 drivers/staging/greybus/gb-es2.c Greg Kroah-Hartman 2015-01-21 777 int i; f587027e793cf8 drivers/staging/greybus/gb-es2.c Greg Kroah-Hartman 2015-01-21 778 74cd6503e5d4f0 drivers/staging/greybus/es2.c Johan Hovold 2015-11-04 779 debugfs_remove(es2->apb_log_enable_dentry); 4b1d82047ebbb1 drivers/staging/greybus/es2.c Alex Elder 2015-10-27 780 usb_log_disable(es2); ca3ec299c2d090 drivers/staging/greybus/es2.c Greg Kroah-Hartman 2015-03-27 781 f587027e793cf8 drivers/staging/greybus/gb-es2.c Greg Kroah-Hartman 2015-01-21 782 /* Tear down everything! */ f587027e793cf8 drivers/staging/greybus/gb-es2.c Greg Kroah-Hartman 2015-01-21 783 for (i = 0; i < NUM_CPORT_OUT_URB; ++i) { 1521eb6b6995dd drivers/staging/greybus/es2.c Greg Kroah-Hartman 2016-08-17 784 urb = es2->cport_out_urb[i]; f587027e793cf8 drivers/staging/greybus/gb-es2.c Greg Kroah-Hartman 2015-01-21 785 usb_kill_urb(urb); f587027e793cf8 drivers/staging/greybus/gb-es2.c Greg Kroah-Hartman 2015-01-21 786 usb_free_urb(urb); 4b1d82047ebbb1 drivers/staging/greybus/es2.c Alex Elder 2015-10-27 787 es2->cport_out_urb[i] = NULL; 4b1d82047ebbb1 drivers/staging/greybus/es2.c Alex Elder 2015-10-27 788 es2->cport_out_urb_busy[i] = false; /* just to be anal */ f587027e793cf8 drivers/staging/greybus/gb-es2.c Greg Kroah-Hartman 2015-01-21 789 } f587027e793cf8 drivers/staging/greybus/gb-es2.c Greg Kroah-Hartman 2015-01-21 790 9d9d3777a9db5c drivers/staging/greybus/es2.c Alexandre Bailon 2016-07-07 791 for (i = 0; i < NUM_ARPC_IN_URB; ++i) { 1521eb6b6995dd drivers/staging/greybus/es2.c Greg Kroah-Hartman 2016-08-17 792 usb_free_urb(es2->arpc_urb[i]); 9d9d3777a9db5c drivers/staging/greybus/es2.c Alexandre Bailon 2016-07-07 793 kfree(es2->arpc_buffer[i]); 9d9d3777a9db5c drivers/staging/greybus/es2.c Alexandre Bailon 2016-07-07 794 es2->arpc_buffer[i] = NULL; 9d9d3777a9db5c drivers/staging/greybus/es2.c Alexandre Bailon 2016-07-07 795 } 9d9d3777a9db5c drivers/staging/greybus/es2.c Alexandre Bailon 2016-07-07 796 f587027e793cf8 drivers/staging/greybus/gb-es2.c Greg Kroah-Hartman 2015-01-21 797 for (i = 0; i < NUM_CPORT_IN_URB; ++i) { 7330c48ec09367 drivers/staging/greybus/es2.c Greg Kroah-Hartman 2016-08-17 798 usb_free_urb(es2->cport_in.urb[i]); 7330c48ec09367 drivers/staging/greybus/es2.c Greg Kroah-Hartman 2016-08-17 799 kfree(es2->cport_in.buffer[i]); 7330c48ec09367 drivers/staging/greybus/es2.c Greg Kroah-Hartman 2016-08-17 800 es2->cport_in.buffer[i] = NULL; f587027e793cf8 drivers/staging/greybus/gb-es2.c Greg Kroah-Hartman 2015-01-21 801 } f587027e793cf8 drivers/staging/greybus/gb-es2.c Greg Kroah-Hartman 2015-01-21 802 52033fdebc9202 drivers/staging/greybus/es2.c Vaibhav Agarwal 2016-05-27 803 /* release reserved CDSI0 and CDSI1 cports */ 52033fdebc9202 drivers/staging/greybus/es2.c Vaibhav Agarwal 2016-05-27 804 gb_hd_cport_release_reserved(es2->hd, ES2_CPORT_CDSI1); 52033fdebc9202 drivers/staging/greybus/es2.c Vaibhav Agarwal 2016-05-27 805 gb_hd_cport_release_reserved(es2->hd, ES2_CPORT_CDSI0); 52033fdebc9202 drivers/staging/greybus/es2.c Vaibhav Agarwal 2016-05-27 806 4b1d82047ebbb1 drivers/staging/greybus/es2.c Alex Elder 2015-10-27 807 udev = es2->usb_dev; c1700479845bc3 drivers/staging/greybus/es2.c Johan Hovold 2015-11-04 808 gb_hd_put(es2->hd); f587027e793cf8 drivers/staging/greybus/gb-es2.c Greg Kroah-Hartman 2015-01-21 809 } f587027e793cf8 drivers/staging/greybus/gb-es2.c Greg Kroah-Hartman 2015-01-21 810 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki