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X-CSE-ConnectionGUID: sXNgEA/4QK+B90vh0yJEqw== X-CSE-MsgGUID: ISvrqlI7SEO81ntxrmwInA== X-IronPort-AV: E=McAfee;i="6800,10657,11774"; a="89268057" X-IronPort-AV: E=Sophos;i="6.23,213,1770624000"; d="scan'208";a="89268057" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 May 2026 18:26:52 -0700 X-CSE-ConnectionGUID: BqyGXj5jQual+u2cIzBbAQ== X-CSE-MsgGUID: 69sVWQe8QnKFnNYnxYg9rA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,213,1770624000"; d="scan'208";a="258546316" Received: from lkp-server01.sh.intel.com (HELO 781826d00641) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 02 May 2026 18:26:50 -0700 Received: from kbuild by 781826d00641 with local (Exim 4.98.2) (envelope-from ) id 1wJLbc-000000001z7-0u9S; Sun, 03 May 2026 01:26:48 +0000 Date: Sun, 03 May 2026 09:26:16 +0800 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android13-5.15-2024-11 1/1] drivers/dma-buf/st-dma-fence-unwrap.c:125:13: warning: variable 'err' set but not used Message-ID: <202605030934.HRBHsThu-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Hi Christian, FYI, the error/warning still remains. tree: https://android.googlesource.com/kernel/common android13-5.15-2024-11 head: bfd2ab010d7b36dd753731915553c4f37b98c6f6 commit: 169630111a051b0f07c69a71ca25895e0f4df83e [1/1] BACKPORT: dma-buf: add dma_fence_unwrap v2 config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20260503/202605030934.HRBHsThu-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260503/202605030934.HRBHsThu-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/202605030934.HRBHsThu-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/dma-buf/st-dma-fence-unwrap.c: In function 'unwrap_array': >> drivers/dma-buf/st-dma-fence-unwrap.c:125:13: warning: variable 'err' set but not used [-Wunused-but-set-variable] 125 | int err = 0; | ^~~ drivers/dma-buf/st-dma-fence-unwrap.c: In function 'unwrap_chain': drivers/dma-buf/st-dma-fence-unwrap.c:167:13: warning: variable 'err' set but not used [-Wunused-but-set-variable] 167 | int err = 0; | ^~~ drivers/dma-buf/st-dma-fence-unwrap.c: In function 'unwrap_chain_array': drivers/dma-buf/st-dma-fence-unwrap.c:209:13: warning: variable 'err' set but not used [-Wunused-but-set-variable] 209 | int err = 0; | ^~~ vim +/err +125 drivers/dma-buf/st-dma-fence-unwrap.c 120 121 static int unwrap_array(void *arg) 122 { 123 struct dma_fence *fence, *f1, *f2, *array; 124 struct dma_fence_unwrap iter; > 125 int err = 0; 126 127 f1 = mock_fence(); 128 if (!f1) 129 return -ENOMEM; 130 131 f2 = mock_fence(); 132 if (!f2) { 133 dma_fence_put(f1); 134 return -ENOMEM; 135 } 136 137 array = mock_array(2, f1, f2); 138 if (!array) 139 return -ENOMEM; 140 141 dma_fence_unwrap_for_each(fence, &iter, array) { 142 if (fence == f1) { 143 f1 = NULL; 144 } else if (fence == f2) { 145 f2 = NULL; 146 } else { 147 pr_err("Unexpected fence!\n"); 148 err = -EINVAL; 149 } 150 } 151 152 if (f1 || f2) { 153 pr_err("Not all fences seen!\n"); 154 err = -EINVAL; 155 } 156 157 dma_fence_signal(f1); 158 dma_fence_signal(f2); 159 dma_fence_put(array); 160 return 0; 161 } 162 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki