Hi Tim, [auto build test ERROR on net-next/master] [also build test ERROR on v4.14-rc4 next-20170929] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Tim-Hansen/net-core-Fix-BUG-to-BUG_ON-conditionals/20171009-070451 config: x86_64-randconfig-s1-10091351 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All error/warnings (new ones prefixed by >>): In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from include/uapi/linux/posix_types.h:4, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from include/linux/list.h:4, from include/linux/module.h:9, from net//core/skbuff.c:41: net//core/skbuff.c: In function '__pskb_pull_tail': >> include/linux/compiler.h:156:2: error: expected ';' before 'if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ >> net//core/skbuff.c:1884:2: note: in expansion of macro 'if' if (!skb_has_frag_list(skb)) ^~ >> include/linux/compiler.h:170:3: error: expected statement before ')' token })) ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ >> net//core/skbuff.c:1884:2: note: in expansion of macro 'if' if (!skb_has_frag_list(skb)) ^~ include/linux/compiler.h:170:4: error: expected statement before ')' token })) ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ >> net//core/skbuff.c:1884:2: note: in expansion of macro 'if' if (!skb_has_frag_list(skb)) ^~ -- In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from include/uapi/linux/posix_types.h:4, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from include/linux/list.h:4, from include/linux/module.h:9, from net/core/skbuff.c:41: net/core/skbuff.c: In function '__pskb_pull_tail': >> include/linux/compiler.h:156:2: error: expected ';' before 'if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ net/core/skbuff.c:1884:2: note: in expansion of macro 'if' if (!skb_has_frag_list(skb)) ^~ >> include/linux/compiler.h:170:3: error: expected statement before ')' token })) ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ net/core/skbuff.c:1884:2: note: in expansion of macro 'if' if (!skb_has_frag_list(skb)) ^~ include/linux/compiler.h:170:4: error: expected statement before ')' token })) ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ net/core/skbuff.c:1884:2: note: in expansion of macro 'if' if (!skb_has_frag_list(skb)) ^~ vim +156 include/linux/compiler.h 2bcd521a Steven Rostedt 2008-11-21 148 2bcd521a Steven Rostedt 2008-11-21 149 #ifdef CONFIG_PROFILE_ALL_BRANCHES 2bcd521a Steven Rostedt 2008-11-21 150 /* 2bcd521a Steven Rostedt 2008-11-21 151 * "Define 'is'", Bill Clinton 2bcd521a Steven Rostedt 2008-11-21 152 * "Define 'if'", Steven Rostedt 2bcd521a Steven Rostedt 2008-11-21 153 */ ab3c9c68 Linus Torvalds 2009-04-07 154 #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ab3c9c68 Linus Torvalds 2009-04-07 155 #define __trace_if(cond) \ b33c8ff4 Arnd Bergmann 2016-02-12 @156 if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ 2bcd521a Steven Rostedt 2008-11-21 157 ({ \ 2bcd521a Steven Rostedt 2008-11-21 158 int ______r; \ 2bcd521a Steven Rostedt 2008-11-21 159 static struct ftrace_branch_data \ 2bcd521a Steven Rostedt 2008-11-21 160 __attribute__((__aligned__(4))) \ 2bcd521a Steven Rostedt 2008-11-21 161 __attribute__((section("_ftrace_branch"))) \ 2bcd521a Steven Rostedt 2008-11-21 162 ______f = { \ 2bcd521a Steven Rostedt 2008-11-21 163 .func = __func__, \ 2bcd521a Steven Rostedt 2008-11-21 164 .file = __FILE__, \ 2bcd521a Steven Rostedt 2008-11-21 165 .line = __LINE__, \ 2bcd521a Steven Rostedt 2008-11-21 166 }; \ 2bcd521a Steven Rostedt 2008-11-21 167 ______r = !!(cond); \ 97e7e4f3 Witold Baryluk 2009-03-17 168 ______f.miss_hit[______r]++; \ 2bcd521a Steven Rostedt 2008-11-21 169 ______r; \ 2bcd521a Steven Rostedt 2008-11-21 @170 })) 2bcd521a Steven Rostedt 2008-11-21 171 #endif /* CONFIG_PROFILE_ALL_BRANCHES */ 2bcd521a Steven Rostedt 2008-11-21 172 :::::: The code at line 156 was first introduced by commit :::::: b33c8ff4431a343561e2319f17c14286f2aa52e2 tracing: Fix freak link error caused by branch tracer :::::: TO: Arnd Bergmann <a...@arndb.de> :::::: CC: Steven Rostedt <rost...@goodmis.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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