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R. Silva" Cc: oe-kbuild-all@lists.linux.dev, "Gustavo A. R. Silva" , LKML Subject: [gustavoars:testing/wfamnae-next20260113 15/16] kernel/bpf/core.c:2628:22: warning: comparison of distinct pointer types ('struct bpf_prog_array *' and 'struct bpf_prog_array_hdr *') Message-ID: <202601131800.zpimHAzU-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git testing/wfamnae-next20260113 head: 52754522a0ac00706210372e66bc73f60fa759d2 commit: 3d33febc0f4b127981e2da9f1443f584b40c4d6b [15/16] treewide_some: fix multiple -Wfamnae warnings that must be audited separately config: powerpc64-randconfig-r072-20260113 (https://download.01.org/0day-ci/archive/20260113/202601131800.zpimHAzU-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710) smatch version: v0.5.0-8985-g2614ff1a reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260113/202601131800.zpimHAzU-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/202601131800.zpimHAzU-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/bpf/core.c:2628:22: warning: comparison of distinct pointer types ('struct bpf_prog_array *' and 'struct bpf_prog_array_hdr *') [-Wcompare-distinct-pointer-types] 2628 | if (!progs || progs == &bpf_empty_prog_array.hdr) | ~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +2628 kernel/bpf/core.c 8c7dcb84e3b744b Delyan Kratunov 2022-06-14 2625 8c7dcb84e3b744b Delyan Kratunov 2022-06-14 2626 void bpf_prog_array_free_sleepable(struct bpf_prog_array *progs) 8c7dcb84e3b744b Delyan Kratunov 2022-06-14 2627 { 8c7dcb84e3b744b Delyan Kratunov 2022-06-14 @2628 if (!progs || progs == &bpf_empty_prog_array.hdr) 8c7dcb84e3b744b Delyan Kratunov 2022-06-14 2629 return; 8c7dcb84e3b744b Delyan Kratunov 2022-06-14 2630 call_rcu_tasks_trace(&progs->rcu, __bpf_prog_array_free_sleepable_cb); 8c7dcb84e3b744b Delyan Kratunov 2022-06-14 2631 } 8c7dcb84e3b744b Delyan Kratunov 2022-06-14 2632 :::::: The code at line 2628 was first introduced by commit :::::: 8c7dcb84e3b744b2b70baa7a44a9b1881c33a9c9 bpf: implement sleepable uprobes by chaining gps :::::: TO: Delyan Kratunov :::::: CC: Alexei Starovoitov -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki