[trace:ring-buffer/core 36/39] kernel/trace/trace.c:8213:37: error: too few arguments to function call, expected 5, have 3

[trace:ring-buffer/core 36/39] kernel/trace/trace.c:8213:37: error: too few arguments to function call, expected 5, have 3

[kernel test robot]

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace ring-buffer/core
head:   cd2b873508a4c85a2993ca58c97688029344fb56
commit: b5ec004e0e8d0b169d92e1fff21d79a3f11c17a8 [36/39] tracing: Allow user-space mapping of the ring-buffer
config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20240320/202403200922.BIKcOxkG-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240320/202403200922.BIKcOxkG-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/202403200922.BIKcOxkG-lkp@intel.com/

All errors (new ones prefixed by >>):

>> kernel/trace/trace.c:8213:37: error: too few arguments to function call, expected 5, have 3
    8211 |                         err = ring_buffer_wait(iter->array_buffer->buffer,
         |                               ~~~~~~~~~~~~~~~~
    8212 |                                                iter->cpu_file,
    8213 |                                                iter->tr->buffer_percent);
         |                                                                        ^
   include/linux/ring_buffer.h:104:5: note: 'ring_buffer_wait' declared here
     104 | int ring_buffer_wait(struct trace_buffer *buffer, int cpu, int full,
         |     ^                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     105 |                      ring_buffer_cond_fn cond, void *data);
         |                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 error generated.


vim +8213 kernel/trace/trace.c

  8202	
  8203	static long tracing_buffers_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
  8204	{
  8205		struct ftrace_buffer_info *info = file->private_data;
  8206		struct trace_iterator *iter = &info->iter;
  8207		int err;
  8208	
  8209		if (cmd == TRACE_MMAP_IOCTL_GET_READER) {
  8210			if (!(file->f_flags & O_NONBLOCK)) {
  8211				err = ring_buffer_wait(iter->array_buffer->buffer,
  8212						       iter->cpu_file,
> 8213						       iter->tr->buffer_percent);
  8214				if (err)
  8215					return err;
  8216			}
  8217	
  8218			return ring_buffer_map_get_reader(iter->array_buffer->buffer,
  8219							  iter->cpu_file);
  8220		} else if (cmd) {
  8221			return -ENOTTY;
  8222		}
  8223	
  8224		/*
  8225		 * An ioctl call with cmd 0 to the ring buffer file will wake up all
  8226		 * waiters
  8227		 */
  8228		mutex_lock(&trace_types_lock);
  8229	
  8230		/* Make sure the waiters see the new wait_index */
  8231		(void)atomic_fetch_inc_release(&iter->wait_index);
  8232	
  8233		ring_buffer_wake_waiters(iter->array_buffer->buffer, iter->cpu_file);
  8234	
  8235		mutex_unlock(&trace_types_lock);
  8236		return 0;
  8237	}
  8238	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki