Messages in this thread | | | Date | Fri, 7 Jul 2023 09:57:10 +0800 | From | kernel test robot <> | Subject | include/linux/compiler.h:69:46: warning: 'fw_entry' is used uninitialized |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: a452483508d7b70b0f6c69e249ec0b3ea2330b5c commit: ef3bcde75d06d65f78ba38a30d5a87fb83a5cdae ASoC: tas2781: Add tas2781 driver date: 3 weeks ago config: sh-randconfig-r033-20230707 (https://download.01.org/0day-ci/archive/20230707/202307070922.doxi1HFc-lkp@intel.com/config) compiler: sh4-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230707/202307070922.doxi1HFc-lkp@intel.com/reproduce)
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/202307070922.doxi1HFc-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/linux/firmware.h:6, from sound/soc/codecs/tas2781-fmwlib.c:10: include/linux/compiler.h: In function 'tas2781_load_calibration': >> include/linux/compiler.h:69:46: warning: 'fw_entry' is used uninitialized [-Wuninitialized] 69 | (__if_trace.miss_hit[1]++,1) : \ | ^ sound/soc/codecs/tas2781-fmwlib.c:1911:32: note: 'fw_entry' was declared here 1911 | const struct firmware *fw_entry; | ^~~~~~~~
vim +/fw_entry +69 include/linux/compiler.h
a15fd609ad53a6 Linus Torvalds 2019-03-20 58 a15fd609ad53a6 Linus Torvalds 2019-03-20 59 #define __trace_if_value(cond) ({ \ 2bcd521a684cc9 Steven Rostedt 2008-11-21 60 static struct ftrace_branch_data \ e04462fb82f8dd Miguel Ojeda 2018-09-03 61 __aligned(4) \ 33def8498fdde1 Joe Perches 2020-10-21 62 __section("_ftrace_branch") \ a15fd609ad53a6 Linus Torvalds 2019-03-20 63 __if_trace = { \ 2bcd521a684cc9 Steven Rostedt 2008-11-21 64 .func = __func__, \ 2bcd521a684cc9 Steven Rostedt 2008-11-21 65 .file = __FILE__, \ 2bcd521a684cc9 Steven Rostedt 2008-11-21 66 .line = __LINE__, \ 2bcd521a684cc9 Steven Rostedt 2008-11-21 67 }; \ a15fd609ad53a6 Linus Torvalds 2019-03-20 68 (cond) ? \ a15fd609ad53a6 Linus Torvalds 2019-03-20 @69 (__if_trace.miss_hit[1]++,1) : \ a15fd609ad53a6 Linus Torvalds 2019-03-20 70 (__if_trace.miss_hit[0]++,0); \ a15fd609ad53a6 Linus Torvalds 2019-03-20 71 }) a15fd609ad53a6 Linus Torvalds 2019-03-20 72
:::::: The code at line 69 was first introduced by commit :::::: a15fd609ad53a631a927c6680e8fb606f42a712b tracing: Simplify "if" macro code
:::::: TO: Linus Torvalds <torvalds@linux-foundation.org> :::::: CC: Steven Rostedt (VMware) <rostedt@goodmis.org>
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