[android-common:android16-6.12 1/1] include/linux/compiler.h:69:32: warning: 'done' is used uninitialized in this function

[kernel test robot <lkp@intel.com>]

tree:   https://android.googlesource.com/kernel/common android16-6.12
head:   886d2f37b79982531259490548bc83b9216ca685
commit: a475a3d8e54fc94b672f67bd25552e027370c805 [1/1] ANDROID: scmi_cpufreq: Add restricted vendor hook for scmi_limit_notify_cb
config: arm-randconfig-003-20250806 (https://download.01.org/0day-ci/archive/20250807/202508070049.YH8Q0EFS-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 10.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250807/202508070049.YH8Q0EFS-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/202508070049.YH8Q0EFS-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/linux/build_bug.h:5,
                    from include/linux/bits.h:22,
                    from include/linux/bitops.h:6,
                    from include/linux/of.h:15,
                    from include/linux/clk-provider.h:9,
                    from drivers/cpufreq/scmi-cpufreq.c:11:
   drivers/cpufreq/scmi-cpufreq.c: In function 'scmi_limit_notify_cb':
>> include/linux/compiler.h:69:32: warning: 'done' is used uninitialized in this function [-Wuninitialized]
      69 |   (__if_trace.miss_hit[1]++,1) :  \
         |                                ^
   drivers/cpufreq/scmi-cpufreq.c:193:7: note: 'done' was declared here
     193 |  bool done;
         |       ^~~~


vim +/done +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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https://github.com/intel/lkp-tests/wiki