From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) (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 632BF2102 for ; Fri, 11 Mar 2022 17:29:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1647019782; x=1678555782; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=icNk0QqUK4xYwGy7RzSXOYunnwxl8oLQQKUMhnVt744=; b=Li45OcpH/mmWdd7UunfVmSga5NDlZ4pg5cDYZh6pkAoziMaH/gDwHkoH 5WkJckcTbxveT0QOP3enTyw7qDwuwXvF3hpZ1byIXwlQF2bwAXhzCrChq wgf3UDpvYuJCq9mbTAXplHJNklIiDT/Gt3L86eGYN/S3zL/F6K6q5DyTL 7v3NBQX/i2Izx4r8PCtNmI16RWD7mpubFEcAZN/OpcsbBVgWuG0PharDt lRqP8IjbIQ3TpQCNjAX515tY0wsaIxkEJSko7c7tn/60zUdqvx1JRy14q 5qDzGxtdnXRLa0JOGRXUVzU6ghZzLJIf8UFwMZF+4HeboQ6leQdmYNDZp w==; X-IronPort-AV: E=McAfee;i="6200,9189,10283"; a="318836873" X-IronPort-AV: E=Sophos;i="5.90,174,1643702400"; d="scan'208";a="318836873" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Mar 2022 09:29:41 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,174,1643702400"; d="scan'208";a="689120408" Received: from lkp-server02.sh.intel.com (HELO 89b41b6ae01c) ([10.239.97.151]) by fmsmga001.fm.intel.com with ESMTP; 11 Mar 2022 09:29:39 -0800 Received: from kbuild by 89b41b6ae01c with local (Exim 4.92) (envelope-from ) id 1nSj58-0006rD-NW; Fri, 11 Mar 2022 17:29:38 +0000 Date: Sat, 12 Mar 2022 01:28:37 +0800 From: kernel test robot To: Christian =?iso-8859-1?Q?K=F6nig?= , sumit.semwal@linaro.org, gustavo@padovan.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, Christian =?iso-8859-1?Q?K=F6nig?= Subject: Re: [PATCH 1/2] dma-buf: add dma_fence_unwrap Message-ID: <202203120114.jpyQmShC-lkp@intel.com> References: <20220311110244.1245-1-christian.koenig@amd.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220311110244.1245-1-christian.koenig@amd.com> User-Agent: Mutt/1.10.1 (2018-07-13) Hi "Christian, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.17-rc7 next-20220310] [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] url: https://github.com/0day-ci/linux/commits/Christian-K-nig/dma-buf-add-dma_fence_unwrap/20220311-190352 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 79b00034e9dcd2b065c1665c8b42f62b6b80a9be config: hexagon-randconfig-r045-20220310 (https://download.01.org/0day-ci/archive/20220312/202203120114.jpyQmShC-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 276ca87382b8f16a65bddac700202924228982f6) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/088aa14c0f5cad378854823fa661ee145dd2c01b git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Christian-K-nig/dma-buf-add-dma_fence_unwrap/20220311-190352 git checkout 088aa14c0f5cad378854823fa661ee145dd2c01b # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/dma-buf/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): In file included from drivers/dma-buf/st-dma-fence-unwrap.c:7: include/linux/dma-fence-unwrap.h:44:18: error: implicit declaration of function 'dma_fence_chain_contained' [-Werror,-Wimplicit-function-declaration] cursor->array = dma_fence_chain_contained(cursor->chain); ^ include/linux/dma-fence-unwrap.h:44:18: note: did you mean 'dma_fence_chain_init'? include/linux/dma-fence-chain.h:108:6: note: 'dma_fence_chain_init' declared here void dma_fence_chain_init(struct dma_fence_chain *chain, ^ In file included from drivers/dma-buf/st-dma-fence-unwrap.c:7: >> include/linux/dma-fence-unwrap.h:44:16: warning: incompatible integer to pointer conversion assigning to 'struct dma_fence *' from 'int' [-Wint-conversion] cursor->array = dma_fence_chain_contained(cursor->chain); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dma-fence-unwrap.h:46:9: error: implicit declaration of function 'dma_fence_array_first' [-Werror,-Wimplicit-function-declaration] return dma_fence_array_first(cursor->array); ^ include/linux/dma-fence-unwrap.h:46:9: note: did you mean 'dma_fence_array_create'? include/linux/dma-fence-array.h:77:25: note: 'dma_fence_array_create' declared here struct dma_fence_array *dma_fence_array_create(int num_fences, ^ In file included from drivers/dma-buf/st-dma-fence-unwrap.c:7: >> include/linux/dma-fence-unwrap.h:46:9: warning: incompatible integer to pointer conversion returning 'int' from a function with result type 'struct dma_fence *' [-Wint-conversion] return dma_fence_array_first(cursor->array); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dma-fence-unwrap.h:77:8: error: implicit declaration of function 'dma_fence_array_next' [-Werror,-Wimplicit-function-declaration] tmp = dma_fence_array_next(cursor->array, cursor->index); ^ include/linux/dma-fence-unwrap.h:77:6: warning: incompatible integer to pointer conversion assigning to 'struct dma_fence *' from 'int' [-Wint-conversion] tmp = dma_fence_array_next(cursor->array, cursor->index); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/dma-buf/st-dma-fence-unwrap.c:133:6: warning: variable 'err' set but not used [-Wunused-but-set-variable] int err = 0; ^ drivers/dma-buf/st-dma-fence-unwrap.c:175:6: warning: variable 'err' set but not used [-Wunused-but-set-variable] int err = 0; ^ drivers/dma-buf/st-dma-fence-unwrap.c:217:6: warning: variable 'err' set but not used [-Wunused-but-set-variable] int err = 0; ^ 6 warnings and 3 errors generated. vim +44 include/linux/dma-fence-unwrap.h 33 34 /** 35 * dma_fence_unwrap_array - helper to unwrap dma_fence_arrays 36 * @cursor: cursor to initialize 37 * 38 * Helper function to unwrap dma_fence_array containers, don't touch directly. 39 * Use dma_fence_unwrap_first/next instead. 40 */ 41 static inline struct dma_fence * 42 dma_fence_unwrap_array(struct dma_fence_unwrap * cursor) 43 { > 44 cursor->array = dma_fence_chain_contained(cursor->chain); 45 cursor->index = 0; > 46 return dma_fence_array_first(cursor->array); 47 } 48 --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org