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* [ti:ti-rt-linux-5.10.y 6651/6833] net/core/sock.c:3179:35: error: 'SCM_REDUNDANT' undeclared
@ 2021-08-17 13:37 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-08-17 13:37 UTC (permalink / raw)
  To: WingMan Kwok
  Cc: kbuild-all, linux-kernel, Vignesh Raghavendra, Murali Karicheri,
	Lokesh Vutla, Kishon Vijay Abraham I

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Hi WingMan,

FYI, the error/warning still remains.

tree:   git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git ti-rt-linux-5.10.y
head:   ac3657d2050406e974383b1490184f42a06b73cc
commit: 89b354a68fd094a218c79af743e60299045f33b5 [6651/6833] net: socket: Pass on redundant net info to sock_recv_errqueue
config: alpha-randconfig-r023-20210817 (attached as .config)
compiler: alpha-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-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=gcc-11.2.0 make.cross O=build_dir ARCH=alpha SHELL=/bin/bash net/core/

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

All errors (new ones prefixed by >>):

   In file included from include/net/inet_sock.h:22,
                    from include/net/ip.h:28,
                    from include/linux/errqueue.h:6,
                    from net/core/sock.c:91:
   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/core/sock.c: In function 'sock_recv_errqueue':
>> net/core/sock.c:3179:35: error: 'SCM_REDUNDANT' undeclared (first use in this function)
    3179 |         put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred);
         |                                   ^~~~~~~~~~~~~


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

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