Hi Antonio,
kernel test robot noticed the following build errors:
[auto build test ERROR on 03fc07a24735e0be8646563913abf5f5cb71ad19]
url: https://github.com/intel-lab-lkp/linux/commits/Antonio-Quartulli/netlink-add... base: 03fc07a24735e0be8646563913abf5f5cb71ad19 patch link: https://lore.kernel.org/r/20241025-b4-ovpn-v10-9-b87530777be7%40openvpn.net patch subject: [PATCH net-next v10 09/23] ovpn: implement basic RX path (UDP) config: m68k-randconfig-r072-20241027 (https://download.01.org/0day-ci/archive/20241027/202410270433.eQTW7j8W-lkp@i...) compiler: m68k-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241027/202410270433.eQTW7j8W-lkp@i...)
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/202410270433.eQTW7j8W-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from include/asm-generic/bug.h:5, from arch/m68k/include/asm/bug.h:32, from include/linux/bug.h:5, from include/linux/random.h:6, from include/linux/net.h:18, from drivers/net/ovpn/socket.c:10: drivers/net/ovpn/socket.c: In function 'ovpn_from_udp_sock':
drivers/net/ovpn/socket.c:84:32: error: implicit declaration of function 'udp_sk' [-Wimplicit-function-declaration]
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~~~~~ include/linux/compiler.h:77:45: note: in definition of macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/compiler_types.h:505:9: note: in expansion of macro '__compiletime_assert' 505 | __compiletime_assert(condition, msg, prefix, suffix) | ^~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:517:9: note: in expansion of macro '_compiletime_assert' 517 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ovpn/socket.c:84:22: note: in expansion of macro 'READ_ONCE' 84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~~~~~~~~
drivers/net/ovpn/socket.c:84:42: error: invalid type argument of '->' (have 'int')
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~ include/linux/compiler.h:77:45: note: in definition of macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/compiler_types.h:505:9: note: in expansion of macro '__compiletime_assert' 505 | __compiletime_assert(condition, msg, prefix, suffix) | ^~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:517:9: note: in expansion of macro '_compiletime_assert' 517 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ovpn/socket.c:84:22: note: in expansion of macro 'READ_ONCE' 84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~~~~~~~~
drivers/net/ovpn/socket.c:84:42: error: invalid type argument of '->' (have 'int')
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~ include/linux/compiler.h:77:45: note: in definition of macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/compiler_types.h:505:9: note: in expansion of macro '__compiletime_assert' 505 | __compiletime_assert(condition, msg, prefix, suffix) | ^~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:517:9: note: in expansion of macro '_compiletime_assert' 517 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ovpn/socket.c:84:22: note: in expansion of macro 'READ_ONCE' 84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~~~~~~~~
drivers/net/ovpn/socket.c:84:42: error: invalid type argument of '->' (have 'int')
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~ include/linux/compiler.h:77:45: note: in definition of macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/compiler_types.h:505:9: note: in expansion of macro '__compiletime_assert' 505 | __compiletime_assert(condition, msg, prefix, suffix) | ^~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:517:9: note: in expansion of macro '_compiletime_assert' 517 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ovpn/socket.c:84:22: note: in expansion of macro 'READ_ONCE' 84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~~~~~~~~
drivers/net/ovpn/socket.c:84:42: error: invalid type argument of '->' (have 'int')
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~ include/linux/compiler.h:77:45: note: in definition of macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/compiler_types.h:505:9: note: in expansion of macro '__compiletime_assert' 505 | __compiletime_assert(condition, msg, prefix, suffix) | ^~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:517:9: note: in expansion of macro '_compiletime_assert' 517 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:28: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ovpn/socket.c:84:22: note: in expansion of macro 'READ_ONCE' 84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~~~~~~~~
drivers/net/ovpn/socket.c:84:42: error: invalid type argument of '->' (have 'int')
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~ include/linux/compiler.h:77:45: note: in definition of macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/compiler_types.h:505:9: note: in expansion of macro '__compiletime_assert' 505 | __compiletime_assert(condition, msg, prefix, suffix) | ^~~~~~~~~~~~~~~~~~~~ include/linux/compiler_types.h:517:9: note: in expansion of macro '_compiletime_assert' 517 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:9: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:9: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ovpn/socket.c:84:22: note: in expansion of macro 'READ_ONCE' 84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~~~~~~~~
drivers/net/ovpn/socket.c:84:42: error: invalid type argument of '->' (have 'int')
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~ include/linux/compiler.h:77:45: note: in definition of macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/asm-generic/rwonce.h:44:43: note: in expansion of macro '__unqual_scalar_typeof' 44 | #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x)) | ^~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:50:9: note: in expansion of macro '__READ_ONCE' 50 | __READ_ONCE(x); \ | ^~~~~~~~~~~ drivers/net/ovpn/socket.c:84:22: note: in expansion of macro 'READ_ONCE' 84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~~~~~~~~
drivers/net/ovpn/socket.c:84:42: error: invalid type argument of '->' (have 'int')
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~ include/linux/compiler.h:77:45: note: in definition of macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/asm-generic/rwonce.h:50:9: note: in expansion of macro '__READ_ONCE' 50 | __READ_ONCE(x); \ | ^~~~~~~~~~~ drivers/net/ovpn/socket.c:84:22: note: in expansion of macro 'READ_ONCE' 84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~~~~~~~~
drivers/net/ovpn/socket.c:84:59: error: 'UDP_ENCAP_OVPNINUDP' undeclared (first use in this function)
84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:77:45: note: in definition of macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ drivers/net/ovpn/socket.c:84:59: note: each undeclared identifier is reported only once for each function it appears in 84 | if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP)) | ^~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:77:45: note: in definition of macro 'unlikely' 77 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^
vim +/udp_sk +84 drivers/net/ovpn/socket.c
76 77 /* Retrieve the corresponding ovpn object from a UDP socket 78 * rcu_read_lock must be held on entry 79 */ 80 struct ovpn_struct *ovpn_from_udp_sock(struct sock *sk) 81 { 82 struct ovpn_socket *ovpn_sock; 83
84 if (unlikely(READ_ONCE(udp_sk(sk)->encap_type) != UDP_ENCAP_OVPNINUDP))
85 return NULL; 86 87 ovpn_sock = rcu_dereference_sk_user_data(sk); 88 if (unlikely(!ovpn_sock)) 89 return NULL; 90 91 /* make sure that sk matches our stored transport socket */ 92 if (unlikely(!ovpn_sock->sock || sk != ovpn_sock->sock->sk)) 93 return NULL; 94 95 return ovpn_sock->ovpn; 96 } 97