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R. Silva" Cc: oe-kbuild-all@lists.linux.dev, "Gustavo A. R. Silva" , LKML Subject: [gustavoars:testing/wfamnae-next20250424 1/25] kernel/bpf/core.c:2576:22: warning: comparison of distinct pointer types lacks a cast Message-ID: <202505291933.IiIYX6Xj-lkp@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git testing/wfamnae-next20250424 head: 604833e5a102945aa4596b80085ef9cada5e6d57 commit: 117d6f3024817bf22efc8b81679e0b282ca9cc07 [1/25] treewide_some: fix multiple -Wfamnae warnings that must be audited separately config: alpha-randconfig-2006-20250504 (https://download.01.org/0day-ci/archive/20250529/202505291933.IiIYX6Xj-lkp@intel.com/config) compiler: alpha-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250529/202505291933.IiIYX6Xj-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/202505291933.IiIYX6Xj-lkp@intel.com/ All warnings (new ones prefixed by >>): cc1: note: -Wvla-larger-than=0 is meaningless kernel/bpf/core.c: In function 'bpf_prog_array_free_sleepable': >> kernel/bpf/core.c:2576:22: warning: comparison of distinct pointer types lacks a cast if (!progs || progs == &bpf_empty_prog_array.hdr) ^~ vim +2576 kernel/bpf/core.c 8c7dcb84e3b744 Delyan Kratunov 2022-06-14 2573 8c7dcb84e3b744 Delyan Kratunov 2022-06-14 2574 void bpf_prog_array_free_sleepable(struct bpf_prog_array *progs) 8c7dcb84e3b744 Delyan Kratunov 2022-06-14 2575 { 8c7dcb84e3b744 Delyan Kratunov 2022-06-14 @2576 if (!progs || progs == &bpf_empty_prog_array.hdr) 8c7dcb84e3b744 Delyan Kratunov 2022-06-14 2577 return; 8c7dcb84e3b744 Delyan Kratunov 2022-06-14 2578 call_rcu_tasks_trace(&progs->rcu, __bpf_prog_array_free_sleepable_cb); 8c7dcb84e3b744 Delyan Kratunov 2022-06-14 2579 } 8c7dcb84e3b744 Delyan Kratunov 2022-06-14 2580 :::::: The code at line 2576 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