[xilinx-xlnx:xlnx_rebase_v6.6_LTS 995/995] drivers/crypto/xilinx/xilinx-ecdsa.c:294:38: warning: variable 'drv_ctx' set but not used

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

tree:   https://github.com/Xilinx/linux-xlnx xlnx_rebase_v6.6_LTS
head:   3af4295e00efdced3e8c6973606a7de55f6bf7dc
commit: 3af4295e00efdced3e8c6973606a7de55f6bf7dc [995/995] drivers: crypto: xilinx: Add support for do_one_request
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20240429/202404292212.9O2pZC6T-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240429/202404292212.9O2pZC6T-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/202404292212.9O2pZC6T-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/crypto/xilinx/xilinx-ecdsa.c: In function 'handle_ecdsa_req':
>> drivers/crypto/xilinx/xilinx-ecdsa.c:294:38: warning: variable 'drv_ctx' set but not used [-Wunused-but-set-variable]
     294 |         struct xilinx_ecdsa_drv_ctx *drv_ctx;
         |                                      ^~~~~~~


vim +/drv_ctx +294 drivers/crypto/xilinx/xilinx-ecdsa.c

   283	
   284	static int handle_ecdsa_req(struct crypto_engine *engine, void *req)
   285	{
   286		struct akcipher_request *areq = container_of(req,
   287							     struct akcipher_request,
   288							     base);
   289		struct crypto_akcipher *akcipher = crypto_akcipher_reqtfm(req);
   290		struct akcipher_alg *cipher_alg = crypto_akcipher_alg(akcipher);
   291		const struct xilinx_ecdsa_tfm_ctx *tfm_ctx = akcipher_tfm_ctx(akcipher);
   292		const struct xilinx_ecdsa_req_ctx *rq_ctx = akcipher_request_ctx(areq);
   293		struct akcipher_request *subreq = akcipher_request_ctx(req);
 > 294		struct xilinx_ecdsa_drv_ctx *drv_ctx;
   295		int err;
   296	
   297		drv_ctx = container_of(cipher_alg, struct xilinx_ecdsa_drv_ctx, alg.base);
   298	
   299		akcipher_request_set_tfm(subreq, tfm_ctx->fbk_cipher);
   300	
   301		akcipher_request_set_callback(subreq, areq->base.flags, NULL, NULL);
   302		akcipher_request_set_crypt(subreq, areq->src, areq->dst,
   303					   areq->src_len, areq->dst_len);
   304	
   305		if (rq_ctx->op == XILINX_ECDSA_ENCRYPT)
   306			err = crypto_akcipher_encrypt(subreq);
   307		else if (rq_ctx->op == XILINX_ECDSA_DECRYPT)
   308			err = crypto_akcipher_decrypt(subreq);
   309		else
   310			err = -EOPNOTSUPP;
   311	
   312		crypto_finalize_akcipher_request(engine, areq, err);
   313	
   314		return 0;
   315	}
   316	

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