Hi Dave, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: b5504db0db8375a77340b5bb54c17cfb75d3c754 commit: 901dbb48d8a4f60af427f1ec67ac1247ff219f39 [1030/1030] nouveau: lock the client object tree. config: x86_64-buildonly-randconfig-002-20240801 (https://download.01.org/0day-ci/archive/20241130/202411301320.I40SexLC-lkp@i...) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241130/202411301320.I40SexLC-lkp@i...) 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 <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202411301320.I40SexLC-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/gpu/drm/nouveau/nvkm/core/object.c:37:19: warning: mixing declarations and code is a C99 extension [-Wdeclaration-after-statement] 37 | struct rb_node *node = client->objroot.rb_node; | ^ 1 warning generated.

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drivers/gpu/drm/nouveau/nvkm/core/object.o: warning: objtool: nvkm_object_del()+0xd1: unreachable instruction

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