Hi Wei, [auto build test ERROR on net/master]
url: https://github.com/0day-ci/linux/commits/Wei-Wang/udp-ipv6-reset-daddr-and-dport-in-sk-if-connect-fails/20170623-011149 config: alpha-allyesconfig (attached as .config) compiler: alpha-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=alpha All error/warnings (new ones prefixed by >>): net//ipv6/datagram.c: In function '__ip6_datagram_connect': net//ipv6/datagram.c:257:30: error: expected ')' before 'sizeof' memset(&sk->sk_v6_daddr, 0 sizeof(sk->sk_v6_daddr); ^~~~~~ In file included from include/linux/string.h:18:0, from include/linux/bitmap.h:8, from include/linux/cpumask.h:11, from include/linux/interrupt.h:9, from net//ipv6/datagram.c:18: >> arch/alpha/include/asm/string.h:45:16: error: too few arguments to function >> '__memset' #define memset __memset ^ >> net//ipv6/datagram.c:257:3: note: in expansion of macro 'memset' memset(&sk->sk_v6_daddr, 0 sizeof(sk->sk_v6_daddr); ^~~~~~ arch/alpha/include/asm/string.h:32:21: note: declared here extern inline void *__memset(void *s, int c, size_t n) ^~~~~~~~ net//ipv6/datagram.c:260:2: error: expected ';' before '}' token } ^ -- net/ipv6/datagram.c: In function '__ip6_datagram_connect': net/ipv6/datagram.c:257:30: error: expected ')' before 'sizeof' memset(&sk->sk_v6_daddr, 0 sizeof(sk->sk_v6_daddr); ^~~~~~ In file included from include/linux/string.h:18:0, from include/linux/bitmap.h:8, from include/linux/cpumask.h:11, from include/linux/interrupt.h:9, from net/ipv6/datagram.c:18: >> arch/alpha/include/asm/string.h:45:16: error: too few arguments to function >> '__memset' #define memset __memset ^ net/ipv6/datagram.c:257:3: note: in expansion of macro 'memset' memset(&sk->sk_v6_daddr, 0 sizeof(sk->sk_v6_daddr); ^~~~~~ arch/alpha/include/asm/string.h:32:21: note: declared here extern inline void *__memset(void *s, int c, size_t n) ^~~~~~~~ net/ipv6/datagram.c:260:2: error: expected ';' before '}' token } ^ vim +/__memset +45 arch/alpha/include/asm/string.h a47e5bb5 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 29 /* For gcc 3.x, we cannot have the inline function named "memset" because a47e5bb5 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 30 the __builtin_memset will attempt to resolve to the inline as well, a47e5bb5 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 31 leading to a "sorry" about unimplemented recursive inlining. */ a47e5bb5 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 32 extern inline void *__memset(void *s, int c, size_t n) a47e5bb5 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 33 { a47e5bb5 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 34 if (__builtin_constant_p(c)) { a47e5bb5 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 35 if (__builtin_constant_p(n)) { a47e5bb5 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 36 return __builtin_memset(s, c, n); a47e5bb5 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 37 } else { a47e5bb5 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 38 unsigned long c8 = (c & 0xff) * 0x0101010101010101UL; a47e5bb5 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 39 return __constant_c_memset(s, c8, n); a47e5bb5 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 40 } a47e5bb5 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 41 } a47e5bb5 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 42 return ___memset(s, c, n); a47e5bb5 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 43 } a47e5bb5 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 44 a47e5bb5 arch/alpha/include/asm/string.h Richard Henderson 2013-07-11 @45 #define memset __memset ^1da177e include/asm-alpha/string.h Linus Torvalds 2005-04-16 46 ^1da177e include/asm-alpha/string.h Linus Torvalds 2005-04-16 47 #define __HAVE_ARCH_STRCPY ^1da177e include/asm-alpha/string.h Linus Torvalds 2005-04-16 48 extern char * strcpy(char *,const char *); ^1da177e include/asm-alpha/string.h Linus Torvalds 2005-04-16 49 #define __HAVE_ARCH_STRNCPY ^1da177e include/asm-alpha/string.h Linus Torvalds 2005-04-16 50 extern char * strncpy(char *, const char *, size_t); ^1da177e include/asm-alpha/string.h Linus Torvalds 2005-04-16 51 #define __HAVE_ARCH_STRCAT ^1da177e include/asm-alpha/string.h Linus Torvalds 2005-04-16 52 extern char * strcat(char *, const char *); ^1da177e include/asm-alpha/string.h Linus Torvalds 2005-04-16 53 #define __HAVE_ARCH_STRNCAT :::::: The code at line 45 was first introduced by commit :::::: a47e5bb5764f029f989a182b0dd2d4cce69f8b14 alpha: Eliminate compiler warning from memset macro :::::: TO: Richard Henderson <r...@twiddle.net> :::::: CC: Matt Turner <matts...@gmail.com> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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