From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 A815130C37D for ; Mon, 15 Dec 2025 09:17:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765790240; cv=none; b=biE3WjhaeS1yNwUe3WpC7PSeTdZaORkGVePcD4J2dmYNiKQaEhnJhIyQnIzO2lnS6eN9tDJyyZ+GvR35AaZpzrpCR9+ujKDkM9ehctAyuvEMsqoyybEac4VIx6NuAuMUj3sn4oPFb2/hv0a3NpfsDYeST/dv3H4xmQHLP3Be+9Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765790240; c=relaxed/simple; bh=2s4N4d+asIhG8Pjf7Z23x8bQbENHoAXNNrFaHlb0GDs=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=PSvu0yXqNAW/jDNEdWLdVjBRWpRbXSUBz4NKwfWEoHdqI4vNrTXW+1XmxbK+imZhA7LyouSIlMEOjvXxsI8uv5Y82/UsrUKf0CsqzeuhbYbkHGzYZ7fpTYURFYpBCVMrM05rCtp1mMSRuHInQsi1VAHohQClXVwG2FsdCfoJ5EM= 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=ON5IrCek; arc=none smtp.client-ip=192.198.163.15 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="ON5IrCek" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1765790237; x=1797326237; h=date:from:to:cc:subject:message-id:mime-version; bh=2s4N4d+asIhG8Pjf7Z23x8bQbENHoAXNNrFaHlb0GDs=; b=ON5IrCektRuGmofoFFGz56uqLER81XXE/HEEyrqKXNzxtgvpsv783ihe UFpAsXkuvLpSdDzxw39hLSciHv4CAPvt2P1lNWBvMvJYl6EQu6Mq+yqj+ xqrBWarRGZLqVUToWvJ44xYadQp3tzUTIspEeVXSNEDW7NM3/4SiajTIk rZ1A1sSpCEpb20oYXEHh4eSMvRNRyiulolVXmaTsWTv8yQLtguTbrf1EY aJUn6Vv/irxoewN5EWadiseQA2wzSBS7Llq1RLswXbgkm1qlmkLIwNiLZ LVJkwzefh4EtffjfFhMhfdEaZtOylXwPMB2oVJtjRCo29F2r8sVwc/ZHD Q==; X-CSE-ConnectionGUID: 9+ytp8whQi27qEsMpRWmtw== X-CSE-MsgGUID: mjdN5QkMSwS/qF42WwGu5g== X-IronPort-AV: E=McAfee;i="6800,10657,11642"; a="67757275" X-IronPort-AV: E=Sophos;i="6.21,150,1763452800"; d="scan'208";a="67757275" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Dec 2025 01:17:17 -0800 X-CSE-ConnectionGUID: yxCs8phpQvWcJoVY7ptG+A== X-CSE-MsgGUID: vxmSsTGETa6VcFB8o2zKsA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,150,1763452800"; d="scan'208";a="198189118" Received: from lkp-server02.sh.intel.com (HELO 034c7e8e53c3) ([10.239.97.151]) by fmviesa009.fm.intel.com with ESMTP; 15 Dec 2025 01:17:15 -0800 Received: from kbuild by 034c7e8e53c3 with local (Exim 4.98.2) (envelope-from ) id 1vV4hd-0000000008V-3ZSa; Mon, 15 Dec 2025 09:17:13 +0000 Date: Mon, 15 Dec 2025 17:17:00 +0800 From: kernel test robot To: Vinicius Costa Gomes Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Vinod Koul , Dave Jiang Subject: drivers/dma/idxd/cdev.c:503:24: sparse: sparse: incorrect type in return expression (different base types) Message-ID: <202512151753.eExr3PMz-lkp@intel.com> 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 tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 8f0b4cce4481fb22653697cced8d0d04027cb1e8 commit: 8dfa57aabff625bf445548257f7711ef294cd30e dmaengine: idxd: Fix allowing write() from different address spaces date: 8 months ago config: x86_64-randconfig-r122-20251215 (https://download.01.org/0day-ci/archive/20251215/202512151753.eExr3PMz-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251215/202512151753.eExr3PMz-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/202512151753.eExr3PMz-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/dma/idxd/cdev.c:503:24: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __poll_t @@ got int @@ drivers/dma/idxd/cdev.c:503:24: sparse: expected restricted __poll_t drivers/dma/idxd/cdev.c:503:24: sparse: got int vim +503 drivers/dma/idxd/cdev.c 493 494 static __poll_t idxd_cdev_poll(struct file *filp, 495 struct poll_table_struct *wait) 496 { 497 struct idxd_user_context *ctx = filp->private_data; 498 struct idxd_wq *wq = ctx->wq; 499 struct idxd_device *idxd = wq->idxd; 500 __poll_t out = 0; 501 502 if (current->mm != ctx->mm) > 503 return -EPERM; 504 505 poll_wait(filp, &wq->err_queue, wait); 506 spin_lock(&idxd->dev_lock); 507 if (idxd->sw_err.valid) 508 out = EPOLLIN | EPOLLRDNORM; 509 spin_unlock(&idxd->dev_lock); 510 511 return out; 512 } 513 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki