Re: [PATCH v2 2/2] media: venus: fix OOB access issue while reading sequence changed events

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

Hi Vedang,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 91e71d606356e50f238d7a87aacdee4abc427f07]

url:    https://github.com/intel-lab-lkp/linux/commits/Vedang-Nagar/media-venus-fix-OOB-read-issue-due-to-double-read/20250216-012213
base:   91e71d606356e50f238d7a87aacdee4abc427f07
patch link:    https://lore.kernel.org/r/20250215-venus-security-fixes-v2-2-cfc7e4b87168%40quicinc.com
patch subject: [PATCH v2 2/2] media: venus: fix OOB access issue while reading sequence changed events
config: s390-randconfig-002-20250216 (https://download.01.org/0day-ci/archive/20250216/202502161251.lBVyP1dc-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/20250216/202502161251.lBVyP1dc-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/202502161251.lBVyP1dc-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/media/platform/qcom/venus/hfi_msgs.c:22:42: warning: parameter 'data_ptr' set but not used [-Wunused-but-set-parameter]
      22 | static inline int increment_data_ptr(u8 *data_ptr, u32 *rem_bytes)
         |                                          ^
   1 warning generated.


vim +/data_ptr +22 drivers/media/platform/qcom/venus/hfi_msgs.c

    21	
  > 22	static inline int increment_data_ptr(u8 *data_ptr, u32 *rem_bytes)
    23	{
    24		if (*rem_bytes < sizeof(u32))
    25			return -EINVAL;
    26		data_ptr += sizeof(u32);
    27		*rem_bytes -= sizeof(u32);
    28	
    29		return 0;
    30	}
    31	

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