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X-CSE-ConnectionGUID: QDmoLWEmT2KCzgbfvNTzHQ== X-CSE-MsgGUID: Pq6XxXLtTNSVT4/ves8lww== X-IronPort-AV: E=McAfee;i="6800,10657,11678"; a="70425235" X-IronPort-AV: E=Sophos;i="6.21,244,1763452800"; d="scan'208";a="70425235" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jan 2026 11:17:04 -0800 X-CSE-ConnectionGUID: Sl+Ls0l+QDGO8dgpVVM22g== X-CSE-MsgGUID: lCBgPaCASaOclwJwG4zQLw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,244,1763452800"; d="scan'208";a="211550219" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by orviesa005.jf.intel.com with ESMTP; 21 Jan 2026 11:16:59 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vidhI-00000000RgL-3W1o; Wed, 21 Jan 2026 19:16:56 +0000 Date: Thu, 22 Jan 2026 03:16:16 +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 v24 5/7] firmware: drivers: imx: adds miscdev Message-ID: <202601220225.eSj782As-lkp@intel.com> References: <20260121-imx-se-if-v24-5-c5222df51cc2@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: <20260121-imx-se-if-v24-5-c5222df51cc2@nxp.com> Hi Pankaj, kernel test robot noticed the following build warnings: [auto build test WARNING on 6c790212c588fddeb0d852f2790840753bb604b1] url: https://github.com/intel-lab-lkp/linux/commits/Pankaj-Gupta/Documentation-firmware-add-imx-se-to-other_interfaces/20260121-171044 base: 6c790212c588fddeb0d852f2790840753bb604b1 patch link: https://lore.kernel.org/r/20260121-imx-se-if-v24-5-c5222df51cc2%40nxp.com patch subject: [PATCH v24 5/7] firmware: drivers: imx: adds miscdev config: sh-allyesconfig (https://download.01.org/0day-ci/archive/20260122/202601220225.eSj782As-lkp@intel.com/config) compiler: sh4-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260122/202601220225.eSj782As-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/202601220225.eSj782As-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/firmware/imx/se_ctrl.c: In function 'se_ioctl_cmd_snd_rcv_rsp_handler': >> drivers/firmware/imx/se_ctrl.c:504:51: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 504 | if (copy_from_user(&cmd_snd_rcv_rsp_info, (u8 __user *)arg, | ^ drivers/firmware/imx/se_ctrl.c:585:26: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 585 | if (copy_to_user((void __user *)arg, &cmd_snd_rcv_rsp_info, | ^ drivers/firmware/imx/se_ctrl.c: In function 'se_ioctl_get_mu_info': drivers/firmware/imx/se_ctrl.c:619:26: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 619 | if (copy_to_user((u8 __user *)arg, &if_info, sizeof(if_info))) { | ^ drivers/firmware/imx/se_ctrl.c: In function 'se_ioctl_setup_iobuf_handler': drivers/firmware/imx/se_ctrl.c:640:33: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 640 | if (copy_from_user(&io, (u8 __user *)arg, sizeof(io))) { | ^ drivers/firmware/imx/se_ctrl.c:702:26: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 702 | if (copy_to_user((u8 __user *)arg, &io, sizeof(io))) { | ^ drivers/firmware/imx/se_ctrl.c: In function 'se_ioctl_get_se_soc_info_handler': drivers/firmware/imx/se_ctrl.c:720:28: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 720 | err = copy_to_user((u8 __user *)arg, (u8 *)(&soc_info), sizeof(soc_info)); | ^ vim +504 drivers/firmware/imx/se_ctrl.c 496 497 static int se_ioctl_cmd_snd_rcv_rsp_handler(struct se_if_device_ctx *dev_ctx, 498 u64 arg) 499 { 500 struct se_ioctl_cmd_snd_rcv_rsp_info cmd_snd_rcv_rsp_info = {0}; 501 struct se_if_priv *priv = dev_ctx->priv; 502 int err = 0; 503 > 504 if (copy_from_user(&cmd_snd_rcv_rsp_info, (u8 __user *)arg, 505 sizeof(cmd_snd_rcv_rsp_info))) { 506 dev_err(priv->dev, 507 "%s: Failed to copy cmd_snd_rcv_rsp_info from user.", 508 dev_ctx->devname); 509 err = -EFAULT; 510 goto exit; 511 } 512 513 if (cmd_snd_rcv_rsp_info.tx_buf_sz < SE_MU_HDR_SZ) { 514 dev_err(priv->dev, "%s: User buffer too small(%d < %d)", 515 dev_ctx->devname, cmd_snd_rcv_rsp_info.tx_buf_sz, SE_MU_HDR_SZ); 516 err = -ENOSPC; 517 goto exit; 518 } 519 520 err = se_chk_tx_msg_hdr(priv, (struct se_msg_hdr *)cmd_snd_rcv_rsp_info.tx_buf); 521 if (err) 522 goto exit; 523 524 struct se_api_msg *rx_msg __free(kfree) = 525 kzalloc(cmd_snd_rcv_rsp_info.rx_buf_sz, GFP_KERNEL); 526 if (!rx_msg) { 527 err = -ENOMEM; 528 goto exit; 529 } 530 531 struct se_api_msg *tx_msg __free(kfree) = 532 memdup_user(cmd_snd_rcv_rsp_info.tx_buf, 533 cmd_snd_rcv_rsp_info.tx_buf_sz); 534 if (IS_ERR(tx_msg)) { 535 err = PTR_ERR(tx_msg); 536 goto exit; 537 } 538 539 if (tx_msg->header.tag != priv->if_defs->cmd_tag) { 540 err = -EINVAL; 541 goto exit; 542 } 543 544 if (tx_msg->header.ver == priv->if_defs->fw_api_ver && 545 get_load_fw_instance(priv)->is_fw_tobe_loaded) { 546 err = se_load_firmware(priv); 547 if (err) { 548 dev_err(priv->dev, "Could not send msg as FW is not loaded."); 549 err = -EPERM; 550 goto exit; 551 } 552 } 553 set_se_rcv_msg_timeout(priv, SE_RCV_MSG_LONG_TIMEOUT); 554 555 err = ele_msg_send_rcv(dev_ctx, tx_msg, cmd_snd_rcv_rsp_info.tx_buf_sz, 556 rx_msg, cmd_snd_rcv_rsp_info.rx_buf_sz); 557 if (err < 0) 558 goto exit; 559 560 dev_dbg(priv->dev, "%s: %s %s.", dev_ctx->devname, __func__, 561 "message received, start transmit to user"); 562 563 /* We may need to copy the output data to user before 564 * delivering the completion message. 565 */ 566 err = se_dev_ctx_cpy_out_data(dev_ctx); 567 if (err < 0) 568 goto exit; 569 570 /* Copy data from the buffer */ 571 print_hex_dump_debug("to user ", DUMP_PREFIX_OFFSET, 4, 4, rx_msg, 572 cmd_snd_rcv_rsp_info.rx_buf_sz, false); 573 574 if (copy_to_user(cmd_snd_rcv_rsp_info.rx_buf, rx_msg, 575 cmd_snd_rcv_rsp_info.rx_buf_sz)) { 576 dev_err(priv->dev, "%s: Failed to copy to user.", dev_ctx->devname); 577 err = -EFAULT; 578 } 579 580 exit: 581 582 /* shared memory is allocated before this IOCTL */ 583 se_dev_ctx_shared_mem_cleanup(dev_ctx); 584 585 if (copy_to_user((void __user *)arg, &cmd_snd_rcv_rsp_info, 586 sizeof(cmd_snd_rcv_rsp_info))) { 587 dev_err(priv->dev, "%s: Failed to copy cmd_snd_rcv_rsp_info from user.", 588 dev_ctx->devname); 589 err = -EFAULT; 590 } 591 592 return err; 593 } 594 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki