From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (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 709E143C048 for ; Fri, 15 May 2026 09:59:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778839166; cv=none; b=nCxykIt0wtX4k7XK8CC8nnps4LD7de5J6vSgahnsvsGTWbluzeU3W3DpHsbQhDeqJ9jQ97A//qX9nz9HLEZoMZI5+ndmb8mP4AOowki+kB1UUq0V1QVor/2zoJ/cgcfAG5R1ZfRdxP+vVvv+7H/erE0/8oVvOzbsciKEYCpoUJw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778839166; c=relaxed/simple; bh=b45OCp6XZD8byHBWjJDebJOUhj9A5yHFeMBOoxGaQFw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gNRY81+xiNOyY/gLAQBbQvZCbj2VfNlL96CHBCPHKyCDrC8uboM7dWiHpceWWTua9/Hljk5rwuIo2HynmWivxH7xqnS63U/BkwrRZq6swQXazXKg2GjWz5vhw8tqQLzn6lKkZmE/d/JaSHhHayK2ALI/p13yYug4K3GhsedDGBE= 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=VHTBj+j3; arc=none smtp.client-ip=192.198.163.17 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="VHTBj+j3" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778839165; x=1810375165; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=b45OCp6XZD8byHBWjJDebJOUhj9A5yHFeMBOoxGaQFw=; b=VHTBj+j3Dth2uxyH97Sw4FNLyILh+T/KvwOhWKPEy/03NJ/OnSnbH6rf Vxad3FZWUD0KvikYG5GOyVPZElTMYhvCyk1LlAl2NLpIa720Nig8JMlP4 vmZaj6pK22HhSrJ3PVIl5Ss9zgERTyfsBXJEGo2O7wQpUBEyV1RLK7+17 LfJOoi6gcrOb2eQrchGQk+1lQKbG9YN5rAMk+3gv8rf65a0RICYa39mFI 1ZI1LjZ9VYB9l6vRYOFVWzlOq8YtdxgecOL/G6SsJXekJZt/Gpm+PaPN0 VF52aQMHnfyObXdWuHSLDMKs/sCZ1rIojFbMxsJLSh1W/7aAuVE6aqWH5 A==; X-CSE-ConnectionGUID: U+CRh9ShTdyQl/sAehFP3g== X-CSE-MsgGUID: SKYQtU2pTQa3rL+NZPVqlw== X-IronPort-AV: E=McAfee;i="6800,10657,11786"; a="79651077" X-IronPort-AV: E=Sophos;i="6.23,236,1770624000"; d="scan'208";a="79651077" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 May 2026 02:59:25 -0700 X-CSE-ConnectionGUID: hCMM6hNLSeGDFg0V3MXQLg== X-CSE-MsgGUID: SiEIQepNRlehaNoW8/eVCw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,236,1770624000"; d="scan'208";a="237669379" Received: from lkp-server02.sh.intel.com (HELO 7a33ad3e7d27) ([10.239.97.151]) by orviesa006.jf.intel.com with ESMTP; 15 May 2026 02:59:24 -0700 Received: from kbuild by 7a33ad3e7d27 with local (Exim 4.98.2) (envelope-from ) id 1wNpKC-000000001J3-2gT4; Fri, 15 May 2026 09:59:20 +0000 Date: Fri, 15 May 2026 17:54:59 +0800 From: kernel test robot To: Peter Bohner , Wolfram Sang , Jean Delvare , linux-i2c@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Peter Bohner Subject: Re: [PATCH] i2c: i2c-stub: support for I2C_FUNC_I2C Message-ID: <202605151724.yb2Dto9Q-lkp@intel.com> References: <20260514081100.381043-1-peter@bohner.me> Precedence: bulk X-Mailing-List: linux-i2c@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: <20260514081100.381043-1-peter@bohner.me> Hi Peter, kernel test robot noticed the following build errors: [auto build test ERROR on wsa/i2c/for-next] [also build test ERROR on linus/master v7.1-rc3 next-20260508] [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/Peter-Bohner/i2c-i2c-stub-support-for-I2C_FUNC_I2C/20260515-113705 base: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next patch link: https://lore.kernel.org/r/20260514081100.381043-1-peter%40bohner.me patch subject: [PATCH] i2c: i2c-stub: support for I2C_FUNC_I2C config: m68k-randconfig-r062-20260515 (https://download.01.org/0day-ci/archive/20260515/202605151724.yb2Dto9Q-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260515/202605151724.yb2Dto9Q-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/202605151724.yb2Dto9Q-lkp@intel.com/ All error/warnings (new ones prefixed by >>): drivers/i2c/i2c-stub.c: In function 'stub_xfer': >> drivers/i2c/i2c-stub.c:157:5: error: implicit declaration of function 'krelloc_array'; did you mean 'krealloc_array'? [-Werror=implicit-function-declaration] krelloc_array(chip->i2c_rw_data, msg->len, 1, ^~~~~~~~~~~~~ krealloc_array >> drivers/i2c/i2c-stub.c:156:15: warning: assignment to 'u8 *' {aka 'unsigned char *'} from 'int' makes pointer from integer without a cast [-Wint-conversion] new_rw_mem = ^ cc1: some warnings being treated as errors vim +157 drivers/i2c/i2c-stub.c 140 141 static s32 stub_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) 142 { 143 int i; 144 u8 *new_rw_mem; 145 struct stub_chip *chip = NULL; 146 struct i2c_msg *msg; 147 148 for (i = 0; i < num; i++) { 149 msg = msgs + i; 150 chip = stub_addr_to_chip(msg->addr); 151 if (!chip) 152 return -ENODEV; 153 154 /* len is guaranteed to be <= 8192 by i2cdev_ioctl_rdwr */ 155 if (chip->i2c_rw_size < msg->len) { > 156 new_rw_mem = > 157 krelloc_array(chip->i2c_rw_data, msg->len, 1, 158 GFP_KERNEL | __GFP_ZERO); 159 if (!new_rw_mem) 160 return -ENOMEM; 161 chip->i2c_rw_data = new_rw_mem; 162 chip->i2c_rw_size = msg->len; 163 } 164 165 /* read, size determined by slave */ 166 if ((msg->flags & I2C_M_RD) && (msg->flags & I2C_M_RECV_LEN)) { 167 /* i2cdev_ioctl_rdwr expects this as a maximum, even 168 * though 0xff would be the theoretically possible 169 */ 170 msg->len = min(chip->i2c_rw_size, I2C_SMBUS_BLOCK_MAX); 171 msg->buf[0] = msg->len - 1; 172 dev_dbg(&adap->dev, 173 "i2c read with RECV_LEN - addr 0x%02x, read %u bytes\n", 174 msg->addr, msg->len); 175 memcpy(msg->buf + 1, chip->i2c_rw_data, msg->len - 1); 176 } else if (msg->flags & I2C_M_RD) { 177 dev_dbg(&adap->dev, 178 "i2c read - addr 0x%02x, read %u bytes\n", 179 msg->addr, msg->len); 180 memcpy(msg->buf, chip->i2c_rw_data, msg->len); 181 } else { 182 dev_dbg(&adap->dev, 183 "i2c write - addr 0x%02x, wrote %u bytes\n", 184 msg->addr, msg->len); 185 memcpy(chip->i2c_rw_data, msg->buf, msg->len); 186 } 187 } 188 return num; 189 } 190 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki