From: kernel test robot <lkp@intel.com>
To: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
"Gustavo A. R. Silva" <gustavo@embeddedor.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: [gustavoars:testing/wfamnae-next20240912 15/15] kernel/bpf/core.c:2505:22: warning: comparison of distinct pointer types ('struct bpf_prog_array *' and 'struct bpf_prog_array_hdr *')
Date: Sat, 14 Sep 2024 13:01:57 +0800 [thread overview]
Message-ID: <202409141212.JISRQdpc-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git testing/wfamnae-next20240912
head: f2ca068393cf1157c12ab08556b05824eec16511
commit: f2ca068393cf1157c12ab08556b05824eec16511 [15/15] treewide_some: fix multiple -Wfamnae warnings that must be audited separately
config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20240914/202409141212.JISRQdpc-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240914/202409141212.JISRQdpc-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/202409141212.JISRQdpc-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> kernel/bpf/core.c:2505:22: warning: comparison of distinct pointer types ('struct bpf_prog_array *' and 'struct bpf_prog_array_hdr *') [-Wcompare-distinct-pointer-types]
2505 | if (!progs || progs == &bpf_empty_prog_array.hdr)
| ~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
vim +2505 kernel/bpf/core.c
8c7dcb84e3b744 Delyan Kratunov 2022-06-14 2502
8c7dcb84e3b744 Delyan Kratunov 2022-06-14 2503 void bpf_prog_array_free_sleepable(struct bpf_prog_array *progs)
8c7dcb84e3b744 Delyan Kratunov 2022-06-14 2504 {
8c7dcb84e3b744 Delyan Kratunov 2022-06-14 @2505 if (!progs || progs == &bpf_empty_prog_array.hdr)
8c7dcb84e3b744 Delyan Kratunov 2022-06-14 2506 return;
8c7dcb84e3b744 Delyan Kratunov 2022-06-14 2507 call_rcu_tasks_trace(&progs->rcu, __bpf_prog_array_free_sleepable_cb);
8c7dcb84e3b744 Delyan Kratunov 2022-06-14 2508 }
8c7dcb84e3b744 Delyan Kratunov 2022-06-14 2509
:::::: The code at line 2505 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:[~2024-09-14 5:02 UTC|newest]
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