Re: [PATCH v4 3/5] crypto: ccp - Add an S4 restore flow

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

Hi Mario,

kernel test robot noticed the following build warnings:

[auto build test WARNING on herbert-cryptodev-2.6/master]
[also build test WARNING on herbert-crypto-2.6/master linus/master v6.16-rc1 next-20260106]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Mario-Limonciello-AMD/platform-x86-amd-pmf-Prevent-TEE-errors-after-hibernate/20260106-130236
base:   https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
patch link:    https://lore.kernel.org/r/20260106045423.55190-4-superm1%40kernel.org
patch subject: [PATCH v4 3/5] crypto: ccp - Add an S4 restore flow
config: x86_64-rhel-9.4-kunit (https://download.01.org/0day-ci/archive/20260106/202601061453.8zskdbs5-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260106/202601061453.8zskdbs5-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/202601061453.8zskdbs5-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/crypto/ccp/psp-dev.c: In function 'psp_restore':
>> drivers/crypto/ccp/psp-dev.c:357:13: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
     357 |         int ret = 0;
         |             ^~~


vim +/ret +357 drivers/crypto/ccp/psp-dev.c

   353	
   354	int psp_restore(struct sp_device *sp)
   355	{
   356		struct psp_device *psp = sp->psp_data;
 > 357		int ret = 0;
   358	
   359		if (psp->tee_data)
   360			ret = tee_restore(psp);
   361	
   362		return 0;
   363	}
   364	

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