netdev - Re: [PATCH net-next v2 09/12] net-timestamp: add tx OPT_ID

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Message-ID: <CAL+tcoCsWdDKSfWfbAD2DtSFJRaCMJNVy4UbKqoLH8RfkPkBvA@mail.gmail.com>
Date: Tue, 15 Oct 2024 17:36:16 +0800
From: Jason Xing <kerneljasonxing@...il.com>
To: kernel test robot <lkp@...el.com>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, 
	pabeni@...hat.com, dsahern@...nel.org, willemdebruijn.kernel@...il.com, 
	willemb@...gle.com, ast@...nel.org, daniel@...earbox.net, andrii@...nel.org, 
	martin.lau@...ux.dev, eddyz87@...il.com, song@...nel.org, 
	yonghong.song@...ux.dev, john.fastabend@...il.com, kpsingh@...nel.org, 
	sdf@...ichev.me, haoluo@...gle.com, jolsa@...nel.org, llvm@...ts.linux.dev, 
	oe-kbuild-all@...ts.linux.dev, bpf@...r.kernel.org, netdev@...r.kernel.org, 
	Jason Xing <kernelxing@...cent.com>
Subject: 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 <lkp@...el.com> 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 <lkp@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202410151628.hcAdeahi-lkp@intel.com/
>
> All warnings (new ones prefixed by >>):
>
> >> 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!