linux-kernel - [ti:ti-linux-5.10.y 7095/9684] net/socket.c:861:26: error: 'SCM_RED

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Message-ID: <202110251849.SKaVmdoS-lkp@intel.com>
Date:   Mon, 25 Oct 2021 18:01:58 +0800
From:   kernel test robot <lkp@...el.com>
To:     WingMan Kwok <w-kwok2@...com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Vignesh Raghavendra <vigneshr@...com>,
        Murali Karicheri <m-karicheri2@...com>,
        Lokesh Vutla <lokeshvutla@...com>,
        Kishon Vijay Abraham I <kishon@...com>
Subject: [ti:ti-linux-5.10.y 7095/9684] net/socket.c:861:26: error:
 'SCM_RED_TIMESTAMPING' undeclared

Hi WingMan,

FYI, the error/warning still remains.

tree:   git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-linux-5.10.y
head:   f22103162c771ddd47372b579682445e6dc8dd0e
commit: b98f7ec080e0de442e0be84994ec8d26bdc39eeb [7095/9684] net: socket: Forward extra timestamp of received skb to user space
config: parisc-defconfig (attached as .config)
compiler: hppa-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add ti git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git
        git fetch --no-tags ti ti-linux-5.10.y
        git checkout b98f7ec080e0de442e0be84994ec8d26bdc39eeb
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=parisc SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   In file included from include/net/cls_cgroup.h:14,
                    from net/socket.c:95:
   include/net/sock.h: In function 'sock_recv_redundant_info':
   include/net/sock.h:2525:43: error: 'SCM_REDUNDANT' undeclared (first use in this function)
    2525 |                 put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred);
         |                                           ^~~~~~~~~~~~~
   include/net/sock.h:2525:43: note: each undeclared identifier is reported only once for each function it appears in
   net/socket.c: In function '__sock_recv_redinfo_timestamp':
>> net/socket.c:861:26: error: 'SCM_RED_TIMESTAMPING' undeclared (first use in this function)
     861 |                          SCM_RED_TIMESTAMPING, sizeof(tss), &tss);
         |                          ^~~~~~~~~~~~~~~~~~~~
   net/socket.c: In function '__sys_getsockopt':
   net/socket.c:2174:13: warning: variable 'max_optlen' set but not used [-Wunused-but-set-variable]
    2174 |         int max_optlen;
         |             ^~~~~~~~~~


vim +/SCM_RED_TIMESTAMPING +861 net/socket.c

   845	
   846	void __sock_recv_redinfo_timestamp(struct msghdr *msg, struct sock *sk,
   847					   struct sk_buff *skb)
   848	{
   849		struct scm_timestamping_internal tss;
   850		int empty = 1;
   851		struct skb_shared_hwtstamps *red_shhwtstamps =
   852			skb_redinfo_hwtstamps(skb);
   853	
   854		if (red_shhwtstamps &&
   855		    (sk->sk_tsflags & SOF_TIMESTAMPING_RAW_HARDWARE) &&
   856		    ktime_to_timespec64_cond(red_shhwtstamps->hwtstamp, tss.ts + 2))
   857			empty = 0;
   858	
   859		if (!empty)
   860			put_cmsg(msg, SOL_SOCKET,
 > 861				 SCM_RED_TIMESTAMPING, sizeof(tss), &tss);
   862	}
   863	EXPORT_SYMBOL_GPL(__sock_recv_redinfo_timestamp);
   864	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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