[jirislaby:devel 31/31] kernel/stacktrace.c:303:34: error: 'tsk' undeclared; did you mean 'task'?

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

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git devel
head:   692d615834a5950b61707f688abddb56841ea5ba
commit: 692d615834a5950b61707f688abddb56841ea5ba [31/31] stacktrace: don't skip first entry on noncurrent tasks
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 692d615834a5950b61707f688abddb56841ea5ba
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=ia64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   kernel/stacktrace.c: In function 'stack_trace_save_tsk':
>> kernel/stacktrace.c:303:34: error: 'tsk' undeclared (first use in this function); did you mean 'task'?
      .skip = skipnr + !!(current == tsk),
                                     ^~~
                                     task
   kernel/stacktrace.c:303:34: note: each undeclared identifier is reported only once for each function it appears in

vim +303 kernel/stacktrace.c

   285	
   286	/**
   287	 * stack_trace_save_tsk - Save a task stack trace into a storage array
   288	 * @task:	The task to examine
   289	 * @store:	Pointer to storage array
   290	 * @size:	Size of the storage array
   291	 * @skipnr:	Number of entries to skip at the start of the stack trace
   292	 *
   293	 * Return: Number of trace entries stored
   294	 */
   295	unsigned int stack_trace_save_tsk(struct task_struct *task,
   296					  unsigned long *store, unsigned int size,
   297					  unsigned int skipnr)
   298	{
   299		struct stack_trace trace = {
   300			.entries	= store,
   301			.max_entries	= size,
   302			/* skip this function if they are tracing us */
 > 303			.skip	= skipnr + !!(current == tsk),
   304		};
   305	
   306		save_stack_trace_tsk(task, &trace);
   307		return trace.nr_entries;
   308	}
   309	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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