tree: git://git.lwn.net/linux-2.6 docs-next head: f9bbc12ccb35ac8b3fa01cec1a19cb523a7707c7 commit: f9bbc12ccb35ac8b3fa01cec1a19cb523a7707c7 [127/127] scripts: kernel-doc: improve parsing for kernel-doc comments syntax config: x86_64-randconfig-a015-20210415 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 6a18cc23efad410db48a3ccfc233d215de7d4cb9) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git remote add lwn git://git.lwn.net/linux-2.6 git fetch --no-tags lwn docs-next git checkout f9bbc12ccb35ac8b3fa01cec1a19cb523a7707c7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/scsi/fnic/fnic_fcs.c:299: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Check if the Received FIP FLOGI frame is rejected vim +299 drivers/scsi/fnic/fnic_fcs.c d3c995f1dcf938 Hiral Patel 2013-02-25 297 d3c995f1dcf938 Hiral Patel 2013-02-25 298 /** d3c995f1dcf938 Hiral Patel 2013-02-25 @299 * Check if the Received FIP FLOGI frame is rejected d3c995f1dcf938 Hiral Patel 2013-02-25 300 * @fip: The FCoE controller that received the frame d3c995f1dcf938 Hiral Patel 2013-02-25 301 * @skb: The received FIP frame d3c995f1dcf938 Hiral Patel 2013-02-25 302 * d3c995f1dcf938 Hiral Patel 2013-02-25 303 * Returns non-zero if the frame is rejected with unsupported cmd with d3c995f1dcf938 Hiral Patel 2013-02-25 304 * insufficient resource els explanation. d3c995f1dcf938 Hiral Patel 2013-02-25 305 */ d3c995f1dcf938 Hiral Patel 2013-02-25 306 static inline int is_fnic_fip_flogi_reject(struct fcoe_ctlr *fip, d3c995f1dcf938 Hiral Patel 2013-02-25 307 struct sk_buff *skb) d3c995f1dcf938 Hiral Patel 2013-02-25 308 { d3c995f1dcf938 Hiral Patel 2013-02-25 309 struct fc_lport *lport = fip->lp; d3c995f1dcf938 Hiral Patel 2013-02-25 310 struct fip_header *fiph; d3c995f1dcf938 Hiral Patel 2013-02-25 311 struct fc_frame_header *fh = NULL; d3c995f1dcf938 Hiral Patel 2013-02-25 312 struct fip_desc *desc; d3c995f1dcf938 Hiral Patel 2013-02-25 313 struct fip_encaps *els; d3c995f1dcf938 Hiral Patel 2013-02-25 314 u16 op; d3c995f1dcf938 Hiral Patel 2013-02-25 315 u8 els_op; d3c995f1dcf938 Hiral Patel 2013-02-25 316 u8 sub; d3c995f1dcf938 Hiral Patel 2013-02-25 317 d3c995f1dcf938 Hiral Patel 2013-02-25 318 size_t rlen; d3c995f1dcf938 Hiral Patel 2013-02-25 319 size_t dlen = 0; d3c995f1dcf938 Hiral Patel 2013-02-25 320 d3c995f1dcf938 Hiral Patel 2013-02-25 321 if (skb_linearize(skb)) d3c995f1dcf938 Hiral Patel 2013-02-25 322 return 0; d3c995f1dcf938 Hiral Patel 2013-02-25 323 d3c995f1dcf938 Hiral Patel 2013-02-25 324 if (skb->len < sizeof(*fiph)) d3c995f1dcf938 Hiral Patel 2013-02-25 325 return 0; d3c995f1dcf938 Hiral Patel 2013-02-25 326 d3c995f1dcf938 Hiral Patel 2013-02-25 327 fiph = (struct fip_header *)skb->data; d3c995f1dcf938 Hiral Patel 2013-02-25 328 op = ntohs(fiph->fip_op); d3c995f1dcf938 Hiral Patel 2013-02-25 329 sub = fiph->fip_subcode; d3c995f1dcf938 Hiral Patel 2013-02-25 330 d3c995f1dcf938 Hiral Patel 2013-02-25 331 if (op != FIP_OP_LS) d3c995f1dcf938 Hiral Patel 2013-02-25 332 return 0; d3c995f1dcf938 Hiral Patel 2013-02-25 333 d3c995f1dcf938 Hiral Patel 2013-02-25 334 if (sub != FIP_SC_REP) d3c995f1dcf938 Hiral Patel 2013-02-25 335 return 0; d3c995f1dcf938 Hiral Patel 2013-02-25 336 d3c995f1dcf938 Hiral Patel 2013-02-25 337 rlen = ntohs(fiph->fip_dl_len) * 4; d3c995f1dcf938 Hiral Patel 2013-02-25 338 if (rlen + sizeof(*fiph) > skb->len) d3c995f1dcf938 Hiral Patel 2013-02-25 339 return 0; d3c995f1dcf938 Hiral Patel 2013-02-25 340 d3c995f1dcf938 Hiral Patel 2013-02-25 341 desc = (struct fip_desc *)(fiph + 1); d3c995f1dcf938 Hiral Patel 2013-02-25 342 dlen = desc->fip_dlen * FIP_BPW; d3c995f1dcf938 Hiral Patel 2013-02-25 343 d3c995f1dcf938 Hiral Patel 2013-02-25 344 if (desc->fip_dtype == FIP_DT_FLOGI) { d3c995f1dcf938 Hiral Patel 2013-02-25 345 d3c995f1dcf938 Hiral Patel 2013-02-25 346 if (dlen < sizeof(*els) + sizeof(*fh) + 1) d3c995f1dcf938 Hiral Patel 2013-02-25 347 return 0; d3c995f1dcf938 Hiral Patel 2013-02-25 348 d3c995f1dcf938 Hiral Patel 2013-02-25 349 els = (struct fip_encaps *)desc; d3c995f1dcf938 Hiral Patel 2013-02-25 350 fh = (struct fc_frame_header *)(els + 1); d3c995f1dcf938 Hiral Patel 2013-02-25 351 d3c995f1dcf938 Hiral Patel 2013-02-25 352 if (!fh) d3c995f1dcf938 Hiral Patel 2013-02-25 353 return 0; d3c995f1dcf938 Hiral Patel 2013-02-25 354 d3c995f1dcf938 Hiral Patel 2013-02-25 355 /* d3c995f1dcf938 Hiral Patel 2013-02-25 356 * ELS command code, reason and explanation should be = Reject, d3c995f1dcf938 Hiral Patel 2013-02-25 357 * unsupported command and insufficient resource d3c995f1dcf938 Hiral Patel 2013-02-25 358 */ d3c995f1dcf938 Hiral Patel 2013-02-25 359 els_op = *(u8 *)(fh + 1); d3c995f1dcf938 Hiral Patel 2013-02-25 360 if (els_op == ELS_LS_RJT) { d3c995f1dcf938 Hiral Patel 2013-02-25 361 shost_printk(KERN_INFO, lport->host, d3c995f1dcf938 Hiral Patel 2013-02-25 362 "Flogi Request Rejected by Switch\n"); d3c995f1dcf938 Hiral Patel 2013-02-25 363 return 1; d3c995f1dcf938 Hiral Patel 2013-02-25 364 } d3c995f1dcf938 Hiral Patel 2013-02-25 365 shost_printk(KERN_INFO, lport->host, d3c995f1dcf938 Hiral Patel 2013-02-25 366 "Flogi Request Accepted by Switch\n"); d3c995f1dcf938 Hiral Patel 2013-02-25 367 } d3c995f1dcf938 Hiral Patel 2013-02-25 368 return 0; d3c995f1dcf938 Hiral Patel 2013-02-25 369 } d3c995f1dcf938 Hiral Patel 2013-02-25 370 :::::: The code at line 299 was first introduced by commit :::::: d3c995f1dcf938f1084388d92b8fb97bec366566 [SCSI] fnic: FIP VLAN Discovery Feature Support :::::: TO: Hiral Patel <hiralpat@xxxxxxxxx> :::::: CC: James Bottomley <JBottomley@xxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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