drivers/media/platform/qcom/iris/iris_ctrls.c:1635:13: warning: unused variable 'ret'

drivers/media/platform/qcom/iris/iris_ctrls.c:1635:13: warning: unused variable 'ret'

[kernel test robot]

tree:   https://github.com/intel-lab-lkp/linux/commits/Deepa-Guthyappa-Madivalara/media-v4l2-core-add-new-control-type-V4L2_CTRL_TYPE_S8/20260930-113024
head:   aff4d347c60c51044e7f911399fbd7ea2e63a2a8
commit: aff4d347c60c51044e7f911399fbd7ea2e63a2a8 media: iris: Add BUF_ROIMB_DELTAQP metadata buffer for ROI delta QP
date:   5 days ago
config: nios2-randconfig-r2202-20261005 (https://download.01.org/0day-ci/archive/20261005/202610051710.bnOqLkUl-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 11.5.0
smatch: v0.5.0-9187-g5189e3fb
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261005/202610051710.bnOqLkUl-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/202610051710.bnOqLkUl-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/media/platform/qcom/iris/iris_ctrls.c: In function 'iris_set_roi_params':
>> drivers/media/platform/qcom/iris/iris_ctrls.c:1635:13: warning: unused variable 'ret' [-Wunused-variable]
    1635 |         int ret = 0;
         |             ^~~


vim +/ret +1635 drivers/media/platform/qcom/iris/iris_ctrls.c

  1623	
  1624	int iris_set_roi_params(struct iris_inst *inst, u32 plane)
  1625	{
  1626		struct iris_buffers *buffers = &inst->buffers[BUF_ROIMB_DELTAQP];
  1627		u32 height = inst->fmt_src->fmt.pix_mp.height;
  1628		u32 width = inst->fmt_src->fmt.pix_mp.width;
  1629		u32 metadata_header_bytes = 256;
  1630		u32 lcu_height = 0;
  1631		u32 lcu_width = 0;
  1632		u32 lcu_size = 16;
  1633		u32 n_shift = 0;
  1634		u32 size = 0;
> 1635		int ret = 0;

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