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Date: Fri, 21 Oct 2022 22:07:17 +0800
From: kernel test robot <lkp@...el.com>
To: "Steven Rostedt (Google)" <rostedt@...dmis.org>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.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
Hi Steven,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e35184f321518acadb681928a016da21a9a20c13
commit: c7c37bb87590886e08d24dec53089f74b89f5fbb tracing/iwlwifi: Use the new __vstring() helper
date: 3 months ago
config: x86_64-sof-customedconfig-edison-defconfig
compiler: gcc-11 (Debian 11.3.0-8) 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 <lkp@...el.com>
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) <rostedt@...dmis.org>
:::::: CC: Steven Rostedt <rostedt@...dmis.org>
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