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 2EE5D23D7D8; Thu, 4 Dec 2025 04:28:54 +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=1764822535; cv=none; b=BIunnWQQ+Eq13+RE7E0Y2JrdLErOLdmH+xZ7axZnDOEoVSqFSCavyhmwk1LZaQJdUe4UuxRkLogUmHVK+sfeuGYpwoxQU/z1aZHNDfdYZyiAqkwsW497L22iGYPenN3vNEnbRYx9wnpJO3naaAzs811ZAGl9HFLBtGJ/l75exLY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764822535; c=relaxed/simple; bh=fu4Otl1HGi7uqxldCp6FC+mJwbMpk4YSIaDzkvRP9rU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=CL+lcHawyl7lXpP2iO2U15fDEFVNgp4yn7ZGe2Cs/Sgz17EYmvSRPMUtcFsh4fEcmidbEe52hTw5s5BeGvmbwedhJ4wxwNC0qfAxESg7yqb3Ra04vnfyyGov10qTKZ0c+/cCm8ckFYlKp5SUhRl198zW/jq450Itb3v6WJApnu4= 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=aNF5vYvL; 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="aNF5vYvL" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1764822534; x=1796358534; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=fu4Otl1HGi7uqxldCp6FC+mJwbMpk4YSIaDzkvRP9rU=; b=aNF5vYvLDM4bQBNe9ff+Hr4F540rlGWo87OQXvyOuyPuR4N8fBsYCs95 +Kaa+o2Rr7dH/tkIPV4weABtw1IHgriW1+SxhCN4J+dMGCulRm1F0ES3E HK8K+U2XU9KhCQDuwSDR9DjUiJNzzwSMyaT4dGgOQCeHq/UQAC5qQ2Bfm GGoNX8Q/HQWameLMN72rdIR2+xeKkOXwLLXIWCpsDChTWhL3DCOHVE5zn 7t6anu96CK8KLl5X7U6jp+AKJ6hH/tAhCCgWJTzLFeovhXonQbmigOW+L 5pL2ANXRKeZQSUrW+A/YlOO/HxKkU+wxmekPqYQ2WM22w76+g4fqeD8EN w==; X-CSE-ConnectionGUID: tgQ6TQ+2QUm+SI41xvHiXw== X-CSE-MsgGUID: afSvSFX7QsOrJh9g0Ry3Dw== X-IronPort-AV: E=McAfee;i="6800,10657,11631"; a="77939819" X-IronPort-AV: E=Sophos;i="6.20,247,1758610800"; d="scan'208";a="77939819" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Dec 2025 20:28:53 -0800 X-CSE-ConnectionGUID: emaq0chZQvCufN9+C+JBvA== X-CSE-MsgGUID: 5T152UeURjmuiR2QhfUVmg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,247,1758610800"; d="scan'208";a="199360138" Received: from lkp-server01.sh.intel.com (HELO 4664bbef4914) ([10.239.97.150]) by orviesa004.jf.intel.com with ESMTP; 03 Dec 2025 20:28:48 -0800 Received: from kbuild by 4664bbef4914 with local (Exim 4.98.2) (envelope-from ) id 1vR0xR-00000000DRN-1pJI; Thu, 04 Dec 2025 04:28:45 +0000 Date: Thu, 4 Dec 2025 12:28:05 +0800 From: kernel test robot To: Pankaj Gupta , Jonathan Corbet , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: oe-kbuild-all@lists.linux.dev, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Frank Li Subject: Re: [PATCH v20 5/7] firmware: drivers: imx: adds miscdev Message-ID: <202512041241.yDXC2vpg-lkp@intel.com> References: <20251203-imx-se-if-v20-5-a04a25c4255f@nxp.com> Precedence: bulk X-Mailing-List: linux-doc@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: <20251203-imx-se-if-v20-5-a04a25c4255f@nxp.com> Hi Pankaj, kernel test robot noticed the following build warnings: [auto build test WARNING on 4a26e7032d7d57c998598c08a034872d6f0d3945] url: https://github.com/intel-lab-lkp/linux/commits/Pankaj-Gupta/Documentation-firmware-add-imx-se-to-other_interfaces/20251203-145202 base: 4a26e7032d7d57c998598c08a034872d6f0d3945 patch link: https://lore.kernel.org/r/20251203-imx-se-if-v20-5-a04a25c4255f%40nxp.com patch subject: [PATCH v20 5/7] firmware: drivers: imx: adds miscdev config: arm64-randconfig-r132-20251204 (https://download.01.org/0day-ci/archive/20251204/202512041241.yDXC2vpg-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 734a912d0f025559fcf76bde9aaaeb0383c1625a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251204/202512041241.yDXC2vpg-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/202512041241.yDXC2vpg-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/firmware/imx/se_ctrl.c:517:40: sparse: sparse: cast removes address space '__user' of expression drivers/firmware/imx/se_ctrl.c:745:48: sparse: sparse: cast removes address space '__user' of expression vim +/__user +517 drivers/firmware/imx/se_ctrl.c 491 492 static int se_ioctl_cmd_snd_rcv_rsp_handler(struct se_if_device_ctx *dev_ctx, 493 u64 arg) 494 { 495 struct se_ioctl_cmd_snd_rcv_rsp_info cmd_snd_rcv_rsp_info = {0}; 496 struct se_api_msg *tx_msg __free(kfree) = NULL; 497 struct se_api_msg *rx_msg __free(kfree) = NULL; 498 struct se_if_priv *priv = dev_ctx->priv; 499 int err = 0; 500 501 if (copy_from_user(&cmd_snd_rcv_rsp_info, (u8 __user *)arg, 502 sizeof(cmd_snd_rcv_rsp_info))) { 503 dev_err(priv->dev, 504 "%s: Failed to copy cmd_snd_rcv_rsp_info from user.", 505 dev_ctx->devname); 506 err = -EFAULT; 507 goto exit; 508 } 509 510 if (cmd_snd_rcv_rsp_info.tx_buf_sz < SE_MU_HDR_SZ) { 511 dev_err(priv->dev, "%s: User buffer too small(%d < %d)", 512 dev_ctx->devname, cmd_snd_rcv_rsp_info.tx_buf_sz, SE_MU_HDR_SZ); 513 err = -ENOSPC; 514 goto exit; 515 } 516 > 517 err = se_chk_tx_msg_hdr(priv, (struct se_msg_hdr *)cmd_snd_rcv_rsp_info.tx_buf); 518 if (err) 519 goto exit; 520 521 rx_msg = kzalloc(cmd_snd_rcv_rsp_info.rx_buf_sz, GFP_KERNEL); 522 if (!rx_msg) { 523 err = -ENOMEM; 524 goto exit; 525 } 526 527 tx_msg = memdup_user(cmd_snd_rcv_rsp_info.tx_buf, 528 cmd_snd_rcv_rsp_info.tx_buf_sz); 529 if (IS_ERR(tx_msg)) { 530 err = PTR_ERR(tx_msg); 531 goto exit; 532 } 533 534 if (tx_msg->header.tag != priv->if_defs->cmd_tag) { 535 err = -EINVAL; 536 goto exit; 537 } 538 539 if (tx_msg->header.ver == priv->if_defs->fw_api_ver && 540 get_load_fw_instance(priv)->is_fw_tobe_loaded) { 541 err = se_load_firmware(priv); 542 if (err) { 543 dev_err(priv->dev, "Could not send msg as FW is not loaded."); 544 err = -EPERM; 545 goto exit; 546 } 547 } 548 set_se_rcv_msg_timeout(priv, SE_RCV_MSG_LONG_TIMEOUT); 549 550 err = ele_msg_send_rcv(dev_ctx, tx_msg, cmd_snd_rcv_rsp_info.tx_buf_sz, 551 rx_msg, cmd_snd_rcv_rsp_info.rx_buf_sz); 552 if (err < 0) 553 goto exit; 554 555 dev_dbg(priv->dev, "%s: %s %s.", dev_ctx->devname, __func__, 556 "message received, start transmit to user"); 557 558 /* We may need to copy the output data to user before 559 * delivering the completion message. 560 */ 561 err = se_dev_ctx_cpy_out_data(dev_ctx); 562 if (err < 0) 563 goto exit; 564 565 /* Copy data from the buffer */ 566 print_hex_dump_debug("to user ", DUMP_PREFIX_OFFSET, 4, 4, rx_msg, 567 cmd_snd_rcv_rsp_info.rx_buf_sz, false); 568 569 if (copy_to_user(cmd_snd_rcv_rsp_info.rx_buf, rx_msg, 570 cmd_snd_rcv_rsp_info.rx_buf_sz)) { 571 dev_err(priv->dev, "%s: Failed to copy to user.", dev_ctx->devname); 572 err = -EFAULT; 573 } 574 575 exit: 576 577 /* shared memory is allocated before this IOCTL */ 578 se_dev_ctx_shared_mem_cleanup(dev_ctx); 579 580 if (copy_to_user((void __user *)arg, &cmd_snd_rcv_rsp_info, 581 sizeof(cmd_snd_rcv_rsp_info))) { 582 dev_err(priv->dev, "%s: Failed to copy cmd_snd_rcv_rsp_info from user.", 583 dev_ctx->devname); 584 err = -EFAULT; 585 } 586 587 return err; 588 } 589 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki