Hi Markus, kernel test robot noticed the following build errors: [auto build test ERROR on herbert-cryptodev-2.6/master] [also build test ERROR on herbert-crypto-2.6/master linus/master v6.7-rc7 next-20231222] [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/Markus-Elfring/crypto-virtio-Less-function-calls-in-__virtio_crypto_akcipher_do_req-after-error-detection/20231225-154431 base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master patch link: https://lore.kernel.org/r/2413f22f-f0c3-45e0-9f6b-a551bdf0f54c%40web.de patch subject: [PATCH] crypto: virtio - Less function calls in __virtio_crypto_akcipher_do_req() after error detection config: x86_64-rhel-8.3-bpf (https://download.01.org/0day-ci/archive/20231226/202312261008.7ahERlAx-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231226/202312261008.7ahERlAx-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202312261008.7ahERlAx-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/crypto/virtio/virtio_crypto_akcipher_algs.c: In function '__virtio_crypto_akcipher_do_req': >> drivers/crypto/virtio/virtio_crypto_akcipher_algs.c:281:1: error: 'free_src' undeclared (first use in this function) 281 | free_src; | ^~~~~~~~ drivers/crypto/virtio/virtio_crypto_akcipher_algs.c:281:1: note: each undeclared identifier is reported only once for each function it appears in >> drivers/crypto/virtio/virtio_crypto_akcipher_algs.c:257:25: error: label 'free_src' used but not defined 257 | goto free_src; | ^~~~ vim +/free_src +281 drivers/crypto/virtio/virtio_crypto_akcipher_algs.c 218 219 static int __virtio_crypto_akcipher_do_req(struct virtio_crypto_akcipher_request *vc_akcipher_req, 220 struct akcipher_request *req, struct data_queue *data_vq) 221 { 222 struct virtio_crypto_akcipher_ctx *ctx = vc_akcipher_req->akcipher_ctx; 223 struct virtio_crypto_request *vc_req = &vc_akcipher_req->base; 224 struct virtio_crypto *vcrypto = ctx->vcrypto; 225 struct virtio_crypto_op_data_req *req_data = vc_req->req_data; 226 struct scatterlist *sgs[4], outhdr_sg, inhdr_sg, srcdata_sg, dstdata_sg; 227 void *src_buf, *dst_buf = NULL; 228 unsigned int num_out = 0, num_in = 0; 229 int node = dev_to_node(&vcrypto->vdev->dev); 230 unsigned long flags; 231 int ret; 232 bool verify = vc_akcipher_req->opcode == VIRTIO_CRYPTO_AKCIPHER_VERIFY; 233 unsigned int src_len = verify ? req->src_len + req->dst_len : req->src_len; 234 235 /* out header */ 236 sg_init_one(&outhdr_sg, req_data, sizeof(*req_data)); 237 sgs[num_out++] = &outhdr_sg; 238 239 /* src data */ 240 src_buf = kcalloc_node(src_len, 1, GFP_KERNEL, node); 241 if (!src_buf) 242 return -ENOMEM; 243 244 if (verify) { 245 /* for verify operation, both src and dst data work as OUT direction */ 246 sg_copy_to_buffer(req->src, sg_nents(req->src), src_buf, src_len); 247 sg_init_one(&srcdata_sg, src_buf, src_len); 248 sgs[num_out++] = &srcdata_sg; 249 } else { 250 sg_copy_to_buffer(req->src, sg_nents(req->src), src_buf, src_len); 251 sg_init_one(&srcdata_sg, src_buf, src_len); 252 sgs[num_out++] = &srcdata_sg; 253 254 /* dst data */ 255 dst_buf = kcalloc_node(req->dst_len, 1, GFP_KERNEL, node); 256 if (!dst_buf) > 257 goto free_src; 258 259 sg_init_one(&dstdata_sg, dst_buf, req->dst_len); 260 sgs[num_out + num_in++] = &dstdata_sg; 261 } 262 263 vc_akcipher_req->src_buf = src_buf; 264 vc_akcipher_req->dst_buf = dst_buf; 265 266 /* in header */ 267 sg_init_one(&inhdr_sg, &vc_req->status, sizeof(vc_req->status)); 268 sgs[num_out + num_in++] = &inhdr_sg; 269 270 spin_lock_irqsave(&data_vq->lock, flags); 271 ret = virtqueue_add_sgs(data_vq->vq, sgs, num_out, num_in, vc_req, GFP_ATOMIC); 272 virtqueue_kick(data_vq->vq); 273 spin_unlock_irqrestore(&data_vq->lock, flags); 274 if (ret) 275 goto err; 276 277 return 0; 278 279 err: 280 kfree(dst_buf); > 281 free_src; 282 kfree(src_buf); 283 return -ENOMEM; 284 } 285 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
