From: kernel test robot <lkp@intel.com>
To: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: oe-kbuild-all@lists.linux.dev,
"Gustavo A. R. Silva" <gustavo@embeddedor.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: [gustavoars:testing/wfamnae-next20250424 1/25] kernel/bpf/core.c:2576:22: warning: comparison of distinct pointer types lacks a cast
Date: Thu, 29 May 2025 19:00:51 +0800 [thread overview]
Message-ID: <202505291933.IiIYX6Xj-lkp@intel.com> (raw)
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 <lkp@intel.com>
| 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 <delyank@fb.com>
:::::: CC: Alexei Starovoitov <ast@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-05-29 11:03 UTC|newest]
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