From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) (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 1E226312832; Wed, 1 Jul 2026 22:56:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782946581; cv=none; b=KGsiwYPoYw2D1mpZtPH8EXEdxGLKdz8+PenWdCIH1a4q98Htjt/AFO9XQIyESIS0gJGmj2R7ggVzIxyrRkPAWcP5TA3A2YJCLdUPc0ftOLHeif/4WEEN8BlC9vIEaUgoT3g2xFL3Z01drUVOsEMkyoubaSoSqv+UREab9MYIj7w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782946581; c=relaxed/simple; bh=FSOP4zm4cit4g8DmSosxGX2AMoQVEEHnukJPngJ4e/Q=; h=Date:From:To:Cc:Subject:Message-ID; b=UNGLGdGMtjjxtG05gpGxmv3/BhqgQED9aNlDAyU7nr29vDgyoxK07R4YcNzu2rPLmgjKul/6KOaL265xqa7neAmdTjDND2DzIXOfqfpAcQ30o/X4GWuWD6111ZDBFUNUKcwZbxRd5z7KdS5sKJYNCTjiuw8KyS/axJ/aOuDaDv4= 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=bpcKECuA; arc=none smtp.client-ip=192.198.163.12 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="bpcKECuA" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1782946579; x=1814482579; h=date:from:to:cc:subject:message-id; bh=FSOP4zm4cit4g8DmSosxGX2AMoQVEEHnukJPngJ4e/Q=; b=bpcKECuAlA1ODc6sIhkUV3HMpm7IpXEkIZCK0iLp0KT8Wf/Kp37n5Yg6 +XPoefrYLapZ0pLw7vs4ly6oySFTtqPkiL/CzYK7XmFFN8aycdNn0gDMA hfXrHFvyqJGC1cRVY3Qb4G7Up24O8BgN9ynvNKS269rBuH36YLHptidBn 06gt76jXCUybRJ+le8hXWdlMTI/mo5AfSahJ9wFxWcBqg5rqmtOScRYXg 5F1pM7r2uAAlGw/oCjnJl9Lv3U6a39b79Q+5RUNy4RSH+lZSQ2rzaYqXO HYiQMr6kwBDFzN26nIgYkSnR6l0SRXiJQtUl297h/n2gG3PnDQ/0xvmqU g==; X-CSE-ConnectionGUID: 7f96YYB3TkCQsHHnqa3SRw== X-CSE-MsgGUID: Mf2N8E7+QhOos+FrbfZn2A== X-IronPort-AV: E=McAfee;i="6800,10657,11834"; a="87522905" X-IronPort-AV: E=Sophos;i="6.25,142,1779174000"; d="scan'208";a="87522905" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jul 2026 15:56:19 -0700 X-CSE-ConnectionGUID: zdm3OqZpRgmKq7+gvnIRHQ== X-CSE-MsgGUID: 30G14wY1R+ufIchBoJD+1w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,142,1779174000"; d="scan'208";a="277003916" Received: from lkp-server02.sh.intel.com (HELO ea128546eb3d) ([10.239.97.151]) by fmviesa001.fm.intel.com with ESMTP; 01 Jul 2026 15:56:16 -0700 Received: from kbuild by ea128546eb3d with local (Exim 4.98.2) (envelope-from ) id 1wf3qo-000000009hH-1dZG; Wed, 01 Jul 2026 22:56:14 +0000 Date: Thu, 02 Jul 2026 06:56:08 +0800 From: kernel test robot To: Sudeep Holla Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: [sudeep-holla:b4/acpi_scmi_pcc 9/23] drivers/firmware/arm_scmi/transports/mailbox.c:252:1: warning: unused label 'err_free_chan_receiver' Message-ID: <202607020643.aeL4FIjK-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux.git b4/acpi_scmi_pcc head: bdcaa5728f17002c1091efd93dd082c9c23ddd39 commit: 1bfaf4c65e542a88331bfd51d59d27b827a2282d [9/23] firmware: arm_scmi: Unwind P2A receiver mailbox setup failure config: i386-buildonly-randconfig-005-20260702 (https://download.01.org/0day-ci/archive/20260702/202607020643.aeL4FIjK-lkp@intel.com/config) compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260702/202607020643.aeL4FIjK-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/202607020643.aeL4FIjK-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/firmware/arm_scmi/transports/mailbox.c:252:1: warning: unused label 'err_free_chan_receiver' [-Wunused-label] 252 | err_free_chan_receiver: | ^~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +/err_free_chan_receiver +252 drivers/firmware/arm_scmi/transports/mailbox.c 181 182 static int mailbox_chan_setup(struct scmi_chan_info *cinfo, struct device *dev, 183 bool tx) 184 { 185 const char *desc = tx ? "Tx" : "Rx"; 186 struct device *cdev = cinfo->dev; 187 struct scmi_mailbox *smbox; 188 int ret, a2p_rx_chan, p2a_chan, p2a_rx_chan; 189 struct mbox_client *cl; 190 191 ret = mailbox_chan_validate(cdev, &a2p_rx_chan, &p2a_chan, &p2a_rx_chan); 192 if (ret) 193 return ret; 194 195 if (!tx && !p2a_chan) 196 return -ENODEV; 197 198 smbox = devm_kzalloc(dev, sizeof(*smbox), GFP_KERNEL); 199 if (!smbox) 200 return -ENOMEM; 201 202 smbox->shmem = core->shmem->setup_iomap(cinfo, dev, tx, NULL, 203 &smbox->io_ops); 204 if (IS_ERR(smbox->shmem)) 205 return PTR_ERR(smbox->shmem); 206 207 cl = &smbox->cl; 208 cl->dev = cdev; 209 cl->tx_prepare = tx ? tx_prepare : NULL; 210 cl->rx_callback = rx_callback; 211 cl->tx_block = false; 212 cl->knows_txdone = tx; 213 214 smbox->chan = mbox_request_channel(cl, tx ? 0 : p2a_chan); 215 if (IS_ERR(smbox->chan)) { 216 ret = PTR_ERR(smbox->chan); 217 if (ret != -EPROBE_DEFER) 218 dev_err(cdev, 219 "failed to request SCMI %s mailbox\n", desc); 220 return ret; 221 } 222 223 /* Additional unidirectional channel for TX if needed */ 224 if (tx && a2p_rx_chan) { 225 smbox->chan_receiver = mbox_request_channel(cl, a2p_rx_chan); 226 if (IS_ERR(smbox->chan_receiver)) { 227 ret = PTR_ERR(smbox->chan_receiver); 228 smbox->chan_receiver = NULL; 229 if (ret != -EPROBE_DEFER) 230 dev_err(cdev, "failed to request SCMI Tx Receiver mailbox\n"); 231 goto err_free_chan; 232 } 233 } 234 235 if (!tx && p2a_rx_chan) { 236 smbox->chan_platform_receiver = mbox_request_channel(cl, p2a_rx_chan); 237 if (IS_ERR(smbox->chan_platform_receiver)) { 238 ret = PTR_ERR(smbox->chan_platform_receiver); 239 smbox->chan_platform_receiver = NULL; 240 if (ret != -EPROBE_DEFER) 241 dev_err(cdev, "failed to request SCMI P2A Receiver mailbox\n"); 242 goto err_free_chan; 243 } 244 } 245 246 cinfo->transport_info = smbox; 247 smbox->cinfo = cinfo; 248 mutex_init(&smbox->chan_lock); 249 250 return 0; 251 > 252 err_free_chan_receiver: 253 mbox_free_channel(smbox->chan_receiver); 254 err_free_chan: 255 mbox_free_channel(smbox->chan); 256 return ret; 257 } 258 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki