Re: [PATCH net-next v2 09/12] net-timestamp: add tx OPT_ID_TCP support for bpf case

On Tue, Oct 15, 2024 at 4:41 PM kernel test robot [off-list ref] wrote:

Hi Jason,

kernel test robot noticed the following build warnings:

[auto build test WARNING on net-next/main]

url:    https://github.com/intel-lab-lkp/linux/commits/Jason-Xing/net-timestamp-introduce-socket-tsflag-requestors/20241012-121010
base:   net-next/main
patch link:    https://lore.kernel.org/r/20241012040651.95616-10-kerneljasonxing%40gmail.com
patch subject: [PATCH net-next v2 09/12] net-timestamp: add tx OPT_ID_TCP support for bpf case
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20241015/202410151628.hcAdeahi-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/20241015/202410151628.hcAdeahi-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 [off-list ref]
| Closes: https://lore.kernel.org/oe-kbuild-all/202410151628.hcAdeahi-lkp@intel.com/ (local)

All warnings (new ones prefixed by >>):

quoted

quoted

net/core/sock.c:926:2: warning: variable 'tsflags' is uninitialized when used here [-Wuninitialized]

     926 |         tsflags |= (sk->sk_tsflags[SOCKETOPT_TS_REQUESTOR] |
         |         ^~~~~~~
   net/core/sock.c:920:13: note: initialize the variable 'tsflags' to silence this warning
     920 |         u32 tsflags;
         |                    ^
         |                     = 0
   1 warning generated.

Thanks! I will fix it!