From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) (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 EE34D1F7580 for ; Wed, 22 Oct 2025 02:40:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761100860; cv=none; b=KMGEVsgZZeITBo9ZidOszz+0st2NY3J6LRTdYPPLcN1n4Xx0Cl13pCw0Y8fnFLZxkibrqPze13kFQ0gg+rVs7MSGhwhYvmfmvRRZ2EaVDT44ZU07l4j8U6+oG5WoeL38blkiTUuGlyunV5HDusiemRvoZd6XmMPsPeV3PImgGAY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761100860; c=relaxed/simple; bh=VhLtZhu6c12albxJQdjPpAIuS+IZXHkw1Xqlg2CEa20=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=fAF9QdFw7OOEXh3heR5SYW7UkucKo7PFqhZXrU380Vdw69re/W67re4WeVdyt7whPi8euMyYHTmZt4z1RjvNY5z0pPoavq3DfQ7NWnLRXp3Jc0ReRnAw/xUBuzP4ERaHMvMjA3w5V48YhD93zsEZx1HOO9g0FsQCTFltjbqxJks= 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=IWABijuD; arc=none smtp.client-ip=192.198.163.16 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="IWABijuD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761100859; x=1792636859; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=VhLtZhu6c12albxJQdjPpAIuS+IZXHkw1Xqlg2CEa20=; b=IWABijuDorFmsm2FWbuGUxIgDr34vbUJuJNPoNHUDQGUbLGMrIUkI8ae 4C1UAL0qgGBwmxpzTOTpJa6vm2yseEAZinCKRnVG+9WcsIrXz71YXybeR Tl9LxJjzwfAWozWL9QTm4+W64W4adae1jto5it2DIOMhgizIDlukfyODX BZWr27rYSxToxfaz73j3xy8VRdfn2UGq11iSx5AsCkDzN3O1LVccT/dNI +cFefq5TASU2V2/CtOFk2ep/b8VZtlsOYhOjafoof0Isy53RoBGVYJPlk R6KNRtr9aWMElQzTZakU7nk7uOcbu1DWLntX7ylJsdB5NafsdRCYkshyc A==; X-CSE-ConnectionGUID: uFGbWPXHSLS3455G30WPKg== X-CSE-MsgGUID: u1zgPaD6SDmDKmxGk79dhw== X-IronPort-AV: E=McAfee;i="6800,10657,11586"; a="50813046" X-IronPort-AV: E=Sophos;i="6.19,246,1754982000"; d="scan'208";a="50813046" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Oct 2025 19:40:58 -0700 X-CSE-ConnectionGUID: f9gYtnhRTSK7awOhKgtttA== X-CSE-MsgGUID: /IGNlYL1SYi+cC+wb7aB6w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,246,1754982000"; d="scan'208";a="188871342" Received: from lkp-server02.sh.intel.com (HELO 66d7546c76b2) ([10.239.97.151]) by orviesa005.jf.intel.com with ESMTP; 21 Oct 2025 19:40:57 -0700 Received: from kbuild by 66d7546c76b2 with local (Exim 4.96) (envelope-from ) id 1vBOmU-000Bw9-2L; Wed, 22 Oct 2025 02:40:54 +0000 Date: Wed, 22 Oct 2025 10:40:24 +0800 From: kernel test robot To: Biancaa Ramesh , linux-kernel@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Biancaa Ramesh Subject: Re: [PATCH] dma-buf: improve dma_buf_show_fdinfo output Message-ID: <202510221000.gUhf7ABH-lkp@intel.com> References: <20251021133132.29751-1-biancaa2210329@ssn.edu.in> 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: <20251021133132.29751-1-biancaa2210329@ssn.edu.in> Hi Biancaa, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.18-rc2 next-20251021] [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/Biancaa-Ramesh/dma-buf-improve-dma_buf_show_fdinfo-output/20251021-213541 base: linus/master patch link: https://lore.kernel.org/r/20251021133132.29751-1-biancaa2210329%40ssn.edu.in patch subject: [PATCH] dma-buf: improve dma_buf_show_fdinfo output config: x86_64-buildonly-randconfig-002-20251022 (https://download.01.org/0day-ci/archive/20251022/202510221000.gUhf7ABH-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/20251022/202510221000.gUhf7ABH-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/202510221000.gUhf7ABH-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/dma-buf/dma-buf.c: In function 'dma_buf_show_fdinfo': drivers/dma-buf/dma-buf.c:581:30: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'unsigned int' [-Wformat=] 581 | seq_printf(s, "flags:\t%lu\n", f->f_flags); | ~~^ ~~~~~~~~~~ | | | | | unsigned int | long unsigned int | %u drivers/dma-buf/dma-buf.c:582:30: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 3 has type 'size_t' {aka 'long unsigned int'} [-Wformat=] 582 | seq_printf(s, "size:\t%llu\n", dmabuf->size); | ~~~^ ~~~~~~~~~~~~ | | | | | size_t {aka long unsigned int} | long long unsigned int | %lu >> drivers/dma-buf/dma-buf.c:584:62: error: 'struct dma_buf' has no member named 'num_attachments'; did you mean 'attachments'? 584 | seq_printf(s, "attachments:\t%d\n", atomic_read(&dmabuf->num_attachments)); | ^~~~~~~~~~~~~~~ | attachments >> drivers/dma-buf/dma-buf.c:585:57: error: 'struct dma_buf' has no member named 'num_mappings' 585 | seq_printf(s, "mappings:\t%d\n", atomic_read(&dmabuf->num_mappings)); | ^~ vim +584 drivers/dma-buf/dma-buf.c 573 574 static void dma_buf_show_fdinfo(struct seq_file *s, struct file *f) 575 { 576 struct dma_buf *dmabuf = f->private_data; 577 578 if (!dmabuf) 579 return; 580 581 seq_printf(s, "flags:\t%lu\n", f->f_flags); > 582 seq_printf(s, "size:\t%llu\n", dmabuf->size); 583 seq_printf(s, "count:\t%ld\n", file_count(dmabuf->file) - 1); > 584 seq_printf(s, "attachments:\t%d\n", atomic_read(&dmabuf->num_attachments)); > 585 seq_printf(s, "mappings:\t%d\n", atomic_read(&dmabuf->num_mappings)); 586 seq_printf(s, "exp_name:\t%s\n", dmabuf->exp_name ? dmabuf->exp_name : "N/A"); 587 588 spin_lock(&dmabuf->name_lock); 589 if (dmabuf->name) 590 seq_printf(s, "name:\t%s\n", dmabuf->name); 591 spin_unlock(&dmabuf->name_lock); 592 } 593 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki