Re: [PATCH] ipv6: socket SO_BINDTODEVICE lookup routing fail without IPv6 rule.

[kernel test robot <lkp@intel.com>]

Hi shiming,

kernel test robot noticed the following build errors:

[auto build test ERROR on net-next/main]
[also build test ERROR on net/main soc/for-next linus/master v6.13-rc5 next-20241220]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/shiming-cheng/ipv6-socket-SO_BINDTODEVICE-lookup-routing-fail-without-IPv6-rule/20250102-174939
base:   net-next/main
patch link:    https://lore.kernel.org/r/20250102095114.25860-1-shiming.cheng%40mediatek.com
patch subject: [PATCH]  ipv6: socket SO_BINDTODEVICE lookup routing fail without IPv6 rule.
config: riscv-randconfig-001-20250102 (https://download.01.org/0day-ci/archive/20250102/202501022057.YOhf05jy-lkp@intel.com/config)
compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250102/202501022057.YOhf05jy-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202501022057.YOhf05jy-lkp@intel.com/

All errors (new ones prefixed by >>):

>> net/ipv6/ip6_output.c:1239:1: error: function definition is not allowed here
   {
   ^
   net/ipv6/ip6_output.c:1259:1: error: function definition is not allowed here
   {
   ^
   net/ipv6/ip6_output.c:1294:1: error: function definition is not allowed here
   {
   ^
   net/ipv6/ip6_output.c:1311:1: error: function definition is not allowed here
   {
   ^
   net/ipv6/ip6_output.c:1317:1: error: function definition is not allowed here
   {
   ^
   net/ipv6/ip6_output.c:1327:1: error: function definition is not allowed here
   {
   ^
   net/ipv6/ip6_output.c:1348:1: error: function definition is not allowed here
   {
   ^
   net/ipv6/ip6_output.c:1429:1: error: function definition is not allowed here
   {
   ^
   net/ipv6/ip6_output.c:1834:1: error: function definition is not allowed here
   {
   ^
   net/ipv6/ip6_output.c:1867:1: error: function definition is not allowed here
   {
   ^
   net/ipv6/ip6_output.c:1876:1: error: function definition is not allowed here
   {
   ^
   net/ipv6/ip6_output.c:1898:1: error: function definition is not allowed here
   {
   ^
   net/ipv6/ip6_output.c:1978:1: error: function definition is not allowed here
   {
   ^
   net/ipv6/ip6_output.c:1998:1: error: function definition is not allowed here
   {
   ^
   net/ipv6/ip6_output.c:2013:1: error: function definition is not allowed here
   {
   ^
   net/ipv6/ip6_output.c:2027:1: error: function definition is not allowed here
   {
   ^
   net/ipv6/ip6_output.c:2039:1: error: function definition is not allowed here
   {
   ^
>> net/ipv6/ip6_output.c:2074:2: error: expected '}'
   }
    ^
   net/ipv6/ip6_output.c:1107:1: note: to match this '{'
   {
   ^
   18 errors generated.


vim +1239 net/ipv6/ip6_output.c

34a0b3cdc07874 Adrian Bunk              2005-11-29  1225  
497c615abad7ee Herbert Xu               2006-07-30  1226  /**
497c615abad7ee Herbert Xu               2006-07-30  1227   *	ip6_dst_lookup - perform route lookup on flow
b51cd7c834dba0 Andrew Lunn              2020-07-13  1228   *	@net: Network namespace to perform lookup in
497c615abad7ee Herbert Xu               2006-07-30  1229   *	@sk: socket which provides route info
497c615abad7ee Herbert Xu               2006-07-30  1230   *	@dst: pointer to dst_entry * for result
4c9483b2fb5d25 David S. Miller          2011-03-12  1231   *	@fl6: flow to lookup
497c615abad7ee Herbert Xu               2006-07-30  1232   *
497c615abad7ee Herbert Xu               2006-07-30  1233   *	This function performs a route lookup on the given flow.
497c615abad7ee Herbert Xu               2006-07-30  1234   *
497c615abad7ee Herbert Xu               2006-07-30  1235   *	It returns zero on success, or a standard errno code on error.
497c615abad7ee Herbert Xu               2006-07-30  1236   */
343d60aada5a35 Roopa Prabhu             2015-07-30  1237  int ip6_dst_lookup(struct net *net, struct sock *sk, struct dst_entry **dst,
343d60aada5a35 Roopa Prabhu             2015-07-30  1238  		   struct flowi6 *fl6)
497c615abad7ee Herbert Xu               2006-07-30 @1239  {
497c615abad7ee Herbert Xu               2006-07-30  1240  	*dst = NULL;
343d60aada5a35 Roopa Prabhu             2015-07-30  1241  	return ip6_dst_lookup_tail(net, sk, dst, fl6);
497c615abad7ee Herbert Xu               2006-07-30  1242  }
3cf3dc6c2e05e6 Arnaldo Carvalho de Melo 2005-12-13  1243  EXPORT_SYMBOL_GPL(ip6_dst_lookup);
3cf3dc6c2e05e6 Arnaldo Carvalho de Melo 2005-12-13  1244  

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