[ti:ti-linux-5.4.y 8676/13391] net/core/sock.c:3092:28: error: 'SCM_REDUNDANT' undeclared

[ti:ti-linux-5.4.y 8676/13391] net/core/sock.c:3092:28: error: 'SCM_REDUNDANT' undeclared

[kernel test robot]

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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-linux-5.4.y
head:   26692c45bd67ced28dc36459ce28adea53187341
commit: 37ab3ad1acdc652a6694e6f45e67767a8a80592b [8676/13391] net: socket: pass on redundant net info to sock_recv_errqueue
config: alpha-randconfig-r011-20210218 (attached as .config)
compiler: alpha-linux-gcc (GCC) 9.3.0
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-5.4.y
        git checkout 37ab3ad1acdc652a6694e6f45e67767a8a80592b
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha 

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:27,
                    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:2457:29: error: 'SCM_REDUNDANT' undeclared (first use in this function)
    2457 |   put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred);
         |                             ^~~~~~~~~~~~~
   include/net/sock.h:2457:29: 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:3092:28: error: 'SCM_REDUNDANT' undeclared (first use in this function)
    3092 |  put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred);
         |                            ^~~~~~~~~~~~~


vim +/SCM_REDUNDANT +3092 net/core/sock.c

  3066	
  3067	int sock_recv_errqueue(struct sock *sk, struct msghdr *msg, int len,
  3068			       int level, int type)
  3069	{
  3070		struct sock_exterr_skb *serr;
  3071		struct sk_buff *skb;
  3072		int copied, err;
  3073		struct skb_redundant_info *sred;
  3074	
  3075		err = -EAGAIN;
  3076		skb = sock_dequeue_err_skb(sk);
  3077		if (skb == NULL)
  3078			goto out;
  3079	
  3080		copied = skb->len;
  3081		if (copied > len) {
  3082			msg->msg_flags |= MSG_TRUNC;
  3083			copied = len;
  3084		}
  3085		err = skb_copy_datagram_msg(skb, 0, msg, copied);
  3086		if (err)
  3087			goto out_free_skb;
  3088	
  3089		sock_recv_timestamp(msg, sk, skb);
  3090	
  3091		sred = skb_redinfo(skb);
> 3092		put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred);
  3093	
  3094		serr = SKB_EXT_ERR(skb);
  3095		put_cmsg(msg, level, type, sizeof(serr->ee), &serr->ee);
  3096	
  3097		msg->msg_flags |= MSG_ERRQUEUE;
  3098		err = copied;
  3099	
  3100	out_free_skb:
  3101		kfree_skb(skb);
  3102	out:
  3103		return err;
  3104	}
  3105	EXPORT_SYMBOL(sock_recv_errqueue);
  3106	

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

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