[ti:ti-rt-linux-5.10.y 7473/9302] include/net/sock.h:2523:43: error: 'SCM_REDUNDANT' undeclared

From: kernel test robot
Date: Fri Aug 27 2021 - 04:25:55 EST


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: 85bd616e0f43a20e3c5a0290bcc75e876befcf87
commit: e355bf097bb11257afeadf6665e51f224eeb93a7 [7473/9302] net: packet: Pass on redundant net info in packet_recvmsg
config: alpha-defconfig (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 e355bf097bb11257afeadf6665e51f224eeb93a7
# 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/

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

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:2523:43: error: 'SCM_REDUNDANT' undeclared (first use in this function)
2523 | put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred);
| ^~~~~~~~~~~~~
include/net/sock.h:2523:43: note: each undeclared identifier is reported only once for each function it appears in
net/socket.c: In function '__sys_getsockopt':
net/socket.c:2155:13: warning: variable 'max_optlen' set but not used [-Wunused-but-set-variable]
2155 | int max_optlen;
| ^~~~~~~~~~
--
In file included from net/sysctl_net.c:20:
include/net/sock.h: In function 'sock_recv_redundant_info':
>> include/net/sock.h:2523:43: error: 'SCM_REDUNDANT' undeclared (first use in this function)
2523 | put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred);
| ^~~~~~~~~~~~~
include/net/sock.h:2523:43: note: each undeclared identifier is reported only once for each function it appears in
--
In file included from include/linux/mroute_base.h:8,
from include/linux/mroute.h:10,
from net/ipv4/route.c:83:
include/net/sock.h: In function 'sock_recv_redundant_info':
>> include/net/sock.h:2523:43: error: 'SCM_REDUNDANT' undeclared (first use in this function)
2523 | put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred);
| ^~~~~~~~~~~~~
include/net/sock.h:2523:43: note: each undeclared identifier is reported only once for each function it appears in
net/ipv4/route.c: In function 'ip_rt_send_redirect':
net/ipv4/route.c:885:13: warning: variable 'log_martians' set but not used [-Wunused-but-set-variable]
885 | int log_martians;
| ^~~~~~~~~~~~


vim +/SCM_REDUNDANT +2523 include/net/sock.h

2514
2515 DECLARE_STATIC_KEY_FALSE(tcp_rx_skb_cache_key);
2516 static inline void sock_recv_redundant_info(struct msghdr *msg, struct sock *sk,
2517 struct sk_buff *skb)
2518 {
2519 struct skb_redundant_info *sred;
2520
2521 sred = skb_redinfo(skb);
2522 if (sred->lsdu_size)
> 2523 put_cmsg(msg, SOL_SOCKET, SCM_REDUNDANT, sizeof(*sred), sred);
2524 }
2525

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

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