Re: [PATCH] net: ipmr: Call ipmr_ioctl() directly from ipmr_sk_ioctl()

From: kernel test robot
Date: Tue Aug 08 2023 - 23:26:39 EST


Hi Gustavo,

kernel test robot noticed the following build errors:

[auto build test ERROR on net/main]
[also build test ERROR on net-next/main linus/master v6.5-rc5 next-20230808]
[cannot apply to horms-ipvs/master]
[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/Gustavo-Luiz-Duarte/net-ipmr-Call-ipmr_ioctl-directly-from-ipmr_sk_ioctl/20230731-225918
base: net/main
patch link: https://lore.kernel.org/r/20230731145713.178509-1-gustavold%40gmail.com
patch subject: [PATCH] net: ipmr: Call ipmr_ioctl() directly from ipmr_sk_ioctl()
config: x86_64-randconfig-x054-20230808 (https://download.01.org/0day-ci/archive/20230809/202308091122.z4eVvCI5-lkp@xxxxxxxxx/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230809/202308091122.z4eVvCI5-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308091122.z4eVvCI5-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

ld: net/core/sock.o: in function `ip6mr_sk_ioctl':
>> include/linux/mroute6.h:115: undefined reference to `ip6mr_ioctl'
>> ld: include/linux/mroute6.h:130: undefined reference to `ip6mr_ioctl'


vim +115 include/linux/mroute6.h

95
96 struct rtmsg;
97 extern int ip6mr_get_route(struct net *net, struct sk_buff *skb,
98 struct rtmsg *rtm, u32 portid);
99
100 #ifdef CONFIG_IPV6_MROUTE
101 bool mroute6_is_socket(struct net *net, struct sk_buff *skb);
102 extern int ip6mr_sk_done(struct sock *sk);
103 static inline int ip6mr_sk_ioctl(struct sock *sk, unsigned int cmd,
104 void __user *arg)
105 {
106 int ret;
107
108 switch (cmd) {
109 case SIOCGETMIFCNT_IN6: {
110 struct sioc_mif_req6 karg;
111
112 if (copy_from_user(&karg, arg, sizeof(karg)))
113 return -EFAULT;
114
> 115 ret = ip6mr_ioctl(sk, cmd, &karg);
116 if (ret)
117 return ret;
118
119 if (copy_to_user(arg, &karg, sizeof(karg)))
120 return -EFAULT;
121
122 return 0;
123 }
124 case SIOCGETSGCNT_IN6: {
125 struct sioc_sg_req6 karg;
126
127 if (copy_from_user(&karg, arg, sizeof(karg)))
128 return -EFAULT;
129
> 130 ret = ip6mr_ioctl(sk, cmd, &karg);
131 if (ret)
132 return ret;
133
134 if (copy_to_user(arg, &karg, sizeof(karg)))
135 return -EFAULT;
136
137 return 0;
138 }
139 }
140
141 return 1;
142 }
143 #else
144 static inline bool mroute6_is_socket(struct net *net, struct sk_buff *skb)
145 {
146 return false;
147 }
148 static inline int ip6mr_sk_done(struct sock *sk)
149 {
150 return 0;
151 }
152

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