[sailus-media-tree:partial-reg 5/9] drivers/media/v4l2-core/v4l2-event.c:81:41: warning: variable 'evspec' is uninitialized when used within its own initialization

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

tree:   git://linuxtv.org/sailus/media_tree.git partial-reg
head:   b7d01dab7d47849d483b459ff2abf50497b52149
commit: 0258a2c8b5c7b9a6a0adce2059f2ecd12046776d [5/9] v4l: event: Split the event framework into generic and V4L2 bits
config: arm64-randconfig-004-20260605 (https://download.01.org/0day-ci/archive/20260605/202606052235.rM24ifzS-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 7917772d7d61384696c61102c08c2ea158e610fa)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260605/202606052235.rM24ifzS-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/202606052235.rM24ifzS-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/media/v4l2-core/v4l2-event.c:81:41: warning: variable 'evspec' is uninitialized when used within its own initialization [-Wuninitialized]
      81 |         const struct v4l2_event_spec *evspec = evspec;
         |                                       ~~~~~~   ^~~~~~
   1 warning generated.


vim +/evspec +81 drivers/media/v4l2-core/v4l2-event.c

    77	
    78	static bool v4l2_evop_is_subscribed(struct media_subscribed_evbase *mse,
    79					    const void *__evspec)
    80	{
  > 81		const struct v4l2_event_spec *evspec = evspec;
    82		struct v4l2_subscribed_event *sev = to_v4l2_subscribed_event(mse);
    83	
    84		return sev->evspec.type == evspec->type &&
    85			sev->evspec.id == evspec->id;
    86	}
    87	

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