linux-kernel - [ti:ti-rt-linux-5.10.y 7475/10054] net/core/sock.c:3179:28: error: use of undeclared identifier 'SCM

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Message-ID: <202110200054.tm1OKz17-lkp@intel.com>
Date:   Wed, 20 Oct 2021 00:02:03 +0800
From:   kernel test robot <lkp@...el.com>
To:     WingMan Kwok <w-kwok2@...com>
Cc:     llvm@...ts.linux.dev, 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-rt-linux-5.10.y 7475/10054] net/core/sock.c:3179:28: error:
 use of undeclared identifier 'SCM_REDUNDANT'

tree:   git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-rt-linux-5.10.y
head:   890b86772cff397e32c66ea6528fe8702d7e44a5
commit: 89b354a68fd094a218c79af743e60299045f33b5 [7475/10054] net: socket: Pass on redundant net info to sock_recv_errqueue
config: mips-randconfig-r012-20211019 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d245f2e8597bfb52c34810a328d42b990e4af1a4)
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
        # install mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        git remote add ti git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git
        git fetch --no-tags ti ti-rt-linux-5.10.y
        git checkout 89b354a68fd094a218c79af743e60299045f33b5
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash net/core/

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 net/core/sock.c:91:
   In file included from include/linux/errqueue.h:6:
   In file included from include/net/ip.h:28:
   In file included from include/net/inet_sock.h:22:
   include/net/sock.h:2525:29: error: use of undeclared identifier 'SCM_REDUNDANT'
                   put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred);
                                             ^
>> net/core/sock.c:3179:28: error: use of undeclared identifier 'SCM_REDUNDANT'
           put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred);
                                     ^
   2 errors generated.


vim +/SCM_REDUNDANT +3179 net/core/sock.c

  3153	
  3154	int sock_recv_errqueue(struct sock *sk, struct msghdr *msg, int len,
  3155			       int level, int type)
  3156	{
  3157		struct sock_exterr_skb *serr;
  3158		struct sk_buff *skb;
  3159		int copied, err;
  3160		struct skb_redundant_info *sred;
  3161	
  3162		err = -EAGAIN;
  3163		skb = sock_dequeue_err_skb(sk);
  3164		if (skb == NULL)
  3165			goto out;
  3166	
  3167		copied = skb->len;
  3168		if (copied > len) {
  3169			msg->msg_flags |= MSG_TRUNC;
  3170			copied = len;
  3171		}
  3172		err = skb_copy_datagram_msg(skb, 0, msg, copied);
  3173		if (err)
  3174			goto out_free_skb;
  3175	
  3176		sock_recv_timestamp(msg, sk, skb);
  3177	
  3178		sred = skb_redinfo(skb);
> 3179		put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred);
  3180	
  3181		serr = SKB_EXT_ERR(skb);
  3182		put_cmsg(msg, level, type, sizeof(serr->ee), &serr->ee);
  3183	
  3184		msg->msg_flags |= MSG_ERRQUEUE;
  3185		err = copied;
  3186	
  3187	out_free_skb:
  3188		kfree_skb(skb);
  3189	out:
  3190		return err;
  3191	}
  3192	EXPORT_SYMBOL(sock_recv_errqueue);
  3193	

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

Download attachment ".config.gz" of type "application/gzip" (32042 bytes)