[l1k:spdm-future 13/18] drivers/pci/cma.c:260:24: warning: 'return' with a value, in function returning void

[l1k:spdm-future 13/18] drivers/pci/cma.c:260:24: warning: 'return' with a value, in function returning void

[kernel test robot]

tree:   https://github.com/l1k/linux spdm-future
head:   2e15718c3d046dd029e9924e3d674ffbac2a350d
commit: 7ba328177f0c01ea521a398e72fc230aca180ba1 [13/18] PCI/CMA: Grant guests exclusive control of authentication
config: parisc-allyesconfig (https://download.01.org/0day-ci/archive/20240216/202402162016.dbSSEFpX-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240216/202402162016.dbSSEFpX-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/202402162016.dbSSEFpX-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/pci/cma.c: In function 'authenticated_store':
   drivers/pci/cma.c:39:12: error: void value not ignored as it ought to be
      39 |         rc = pci_cma_reauthenticate(pdev);
         |            ^
   drivers/pci/cma.c: In function 'pci_cma_reauthenticate':
>> drivers/pci/cma.c:260:24: warning: 'return' with a value, in function returning void [-Wreturn-type]
     260 |                 return -EPERM;
         |                        ^
   drivers/pci/cma.c:252:6: note: declared here
     252 | void pci_cma_reauthenticate(struct pci_dev *pdev)
         |      ^~~~~~~~~~~~~~~~~~~~~~


vim +/return +260 drivers/pci/cma.c

   251	
   252	void pci_cma_reauthenticate(struct pci_dev *pdev)
   253	{
   254		int rc;
   255	
   256		if (!pdev->spdm_state)
   257			return;
   258	
   259		if (test_bit(PCI_CMA_OWNED_BY_GUEST, &pdev->priv_flags))
 > 260			return -EPERM;
   261	
   262		rc = spdm_authenticate(pdev->spdm_state);
   263		if (rc >= 0)
   264			pci_info(pdev, "authenticated with certificate slot %d\n", rc);
   265	}
   266	

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