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Wed, 24 Aug 2022 18:17:28 +0000 Date: Thu, 25 Aug 2022 02:17:22 +0800 From: kernel test robot To: "Steven Rostedt (Google)" Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: include/trace/trace_events.h:261:16: error: function 'trace_event_get_offsets_iwlwifi_dbg' might be a candidate for 'gnu_printf' format attribute Message-ID: <202208250229.UZTZVPeu-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: c40e8341e3b3bb27e3a65b06b5b454626234c4f0 commit: c7c37bb87590886e08d24dec53089f74b89f5fbb tracing/iwlwifi: Use the new __vstring() helper date: 6 weeks ago config: x86_64-sof-customedconfig-edison-defconfig (https://download.01.org/0day-ci/archive/20220825/202208250229.UZTZVPeu-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-5) 11.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c7c37bb87590886e08d24dec53089f74b89f5fbb git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout c7c37bb87590886e08d24dec53089f74b89f5fbb # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/net/wireless/intel/iwlwifi/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from include/trace/define_trace.h:102, from drivers/net/wireless/intel/iwlwifi/iwl-devtrace-msg.h:71, from drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h:91, from drivers/net/wireless/intel/iwlwifi/iwl-devtrace.c:15: drivers/net/wireless/intel/iwlwifi/./iwl-devtrace-msg.h: In function 'trace_event_get_offsets_iwlwifi_dbg': >> include/trace/trace_events.h:261:16: error: function 'trace_event_get_offsets_iwlwifi_dbg' might be a candidate for 'gnu_printf' format attribute [-Werror=suggest-attribute=format] 261 | struct trace_event_raw_##call __maybe_unused *entry; \ | ^~~~~~~~~~~~~~~~ include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS' 40 | DECLARE_EVENT_CLASS(name, \ | ^~~~~~~~~~~~~~~~~~~ drivers/net/wireless/intel/iwlwifi/./iwl-devtrace-msg.h:49:1: note: in expansion of macro 'TRACE_EVENT' 49 | TRACE_EVENT(iwlwifi_dbg, | ^~~~~~~~~~~ In file included from include/trace/define_trace.h:102, from drivers/net/wireless/intel/iwlwifi/iwl-devtrace-msg.h:71, from drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h:91, from drivers/net/wireless/intel/iwlwifi/iwl-devtrace.c:15: drivers/net/wireless/intel/iwlwifi/./iwl-devtrace-msg.h: In function 'trace_event_raw_event_iwlwifi_dbg': include/trace/trace_events.h:386:16: error: function 'trace_event_raw_event_iwlwifi_dbg' might be a candidate for 'gnu_printf' format attribute [-Werror=suggest-attribute=format] 386 | struct trace_event_raw_##call *entry; \ | ^~~~~~~~~~~~~~~~ include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS' 40 | DECLARE_EVENT_CLASS(name, \ | ^~~~~~~~~~~~~~~~~~~ drivers/net/wireless/intel/iwlwifi/./iwl-devtrace-msg.h:49:1: note: in expansion of macro 'TRACE_EVENT' 49 | TRACE_EVENT(iwlwifi_dbg, | ^~~~~~~~~~~ In file included from include/trace/define_trace.h:103, from drivers/net/wireless/intel/iwlwifi/iwl-devtrace-msg.h:71, from drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h:91, from drivers/net/wireless/intel/iwlwifi/iwl-devtrace.c:15: drivers/net/wireless/intel/iwlwifi/./iwl-devtrace-msg.h: In function 'perf_trace_iwlwifi_dbg': include/trace/perf.h:64:16: error: function 'perf_trace_iwlwifi_dbg' might be a candidate for 'gnu_printf' format attribute [-Werror=suggest-attribute=format] 64 | struct hlist_head *head; \ | ^~~~~~~~~~ include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS' 40 | DECLARE_EVENT_CLASS(name, \ | ^~~~~~~~~~~~~~~~~~~ drivers/net/wireless/intel/iwlwifi/./iwl-devtrace-msg.h:49:1: note: in expansion of macro 'TRACE_EVENT' 49 | TRACE_EVENT(iwlwifi_dbg, | ^~~~~~~~~~~ cc1: all warnings being treated as errors vim +261 include/trace/trace_events.h 55de2c0b5610cb include/trace/trace_events.h Masami Hiramatsu 2021-11-22 253 091ad3658e3c76 include/trace/ftrace.h Ingo Molnar 2009-11-26 254 #undef DECLARE_EVENT_CLASS 091ad3658e3c76 include/trace/ftrace.h Ingo Molnar 2009-11-26 255 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \ d0ee8f4a1f5f3d include/trace/trace_events.h Steven Rostedt (Red Hat 2015-05-13 256) static inline notrace int trace_event_get_offsets_##call( \ 62323a148fbeb0 include/trace/trace_events.h Steven Rostedt (Red Hat 2015-05-13 257) struct trace_event_data_offsets_##call *__data_offsets, proto) \ 7fcb7c472f455d include/trace/ftrace.h Li Zefan 2009-06-01 258 { \ 7fcb7c472f455d include/trace/ftrace.h Li Zefan 2009-06-01 259 int __data_size = 0; \ 114e7b52dee69c include/trace/ftrace.h Filipe Brandenburger 2014-02-28 260 int __maybe_unused __item_length; \ a7237765730a10 include/trace/trace_events.h Steven Rostedt (Red Hat 2015-05-13 @261) struct trace_event_raw_##call __maybe_unused *entry; \ 7fcb7c472f455d include/trace/ftrace.h Li Zefan 2009-06-01 262 \ 7fcb7c472f455d include/trace/ftrace.h Li Zefan 2009-06-01 263 tstruct; \ 7fcb7c472f455d include/trace/ftrace.h Li Zefan 2009-06-01 264 \ 7fcb7c472f455d include/trace/ftrace.h Li Zefan 2009-06-01 265 return __data_size; \ 7fcb7c472f455d include/trace/ftrace.h Li Zefan 2009-06-01 266 } 7fcb7c472f455d include/trace/ftrace.h Li Zefan 2009-06-01 267 :::::: The code at line 261 was first introduced by commit :::::: a7237765730a10d429736f47ac4b89779ec6c534 tracing: Rename ftrace_raw_##call event structures to trace_event_raw_##call :::::: TO: Steven Rostedt (Red Hat) :::::: CC: Steven Rostedt -- 0-DAY CI Kernel Test Service https://01.org/lkp