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X-CSE-ConnectionGUID: yghqAXGaQcOOiPvjzXbE3g== X-CSE-MsgGUID: 4rlNxkucTDqcBbXtbAjkNw== X-IronPort-AV: E=McAfee;i="6800,10657,11817"; a="69756795" X-IronPort-AV: E=Sophos;i="6.24,205,1774335600"; d="scan'208";a="69756795" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jun 2026 11:56:41 -0700 X-CSE-ConnectionGUID: mOc3uE0mTmeUzM9BkZdqEg== X-CSE-MsgGUID: 9g9gzvZuR0SMdpotQ6b1YQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,205,1774335600"; d="scan'208";a="270957346" Received: from lkp-server01.sh.intel.com (HELO f0d55cb201f0) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 14 Jun 2026 11:56:39 -0700 Received: from kbuild by f0d55cb201f0 with local (Exim 4.98.2) (envelope-from ) id 1wYq0b-00000000R8Q-2BLk; Sun, 14 Jun 2026 18:56:37 +0000 Date: Mon, 15 Jun 2026 02:56:25 +0800 From: kernel test robot To: Tamir Duberstein Cc: oe-kbuild-all@lists.linux.dev Subject: [tamird:b4/bpf-ringbuf-callback 10/11] ringbuf.c:412:9: error: ISO C90 forbids mixed declarations and code Message-ID: <202606150201.QBTLSmit-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: tree: https://github.com/tamird/linux b4/bpf-ringbuf-callback head: 60bd75d7c79a01786dd5da0b5264a58fc5a3c3be commit: 669fde8241bd5bb91c22df6640b243ca1da272b9 [10/11] libbpf: ringbuf: Add a caller-owned iterator config: arm-randconfig-004 (https://download.01.org/0day-ci/archive/20260615/202606150201.QBTLSmit-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 13.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260615/202606150201.QBTLSmit-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/202606150201.QBTLSmit-lkp@intel.com/ All errors (new ones prefixed by >>): ringbuf.c: In function 'ringbuf_process_ring': >> ringbuf.c:412:9: error: ISO C90 forbids mixed declarations and code [-Werror=declaration-after-statement] 412 | struct ring_buffer_iter it | ^~~~~~ cc1: all warnings being treated as errors make[6]: *** [tools/build/Makefile.build:95: tools/bpf/resolve_btfids/libbpf/staticobjs/ringbuf.o] Error 1 shuffle=1351407704 make[6]: Target '__build' not remade because of errors. make[5]: *** [Makefile:152: tools/bpf/resolve_btfids/libbpf/staticobjs/libbpf-in.o] Error 2 shuffle=1351407704 make[5]: Target 'tools/bpf/resolve_btfids/libbpf/libbpf.a' not remade because of errors. make[4]: *** [Makefile:62: tools/bpf/resolve_btfids//libbpf/libbpf.a] Error 2 shuffle=1351407704 make[4]: Target 'all' not remade because of errors. make[3]: *** [Makefile:77: bpf/resolve_btfids] Error 2 shuffle=1351407704 make[2]: *** [Makefile:1557: tools/bpf/resolve_btfids] Error 2 shuffle=1351407704 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:248: __sub-make] Error 2 shuffle=1351407704 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:248: __sub-make] Error 2 shuffle=1351407704 make: Target 'prepare' not remade because of errors. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki