Hi Karan, kernel test robot noticed the following build warnings: [auto build test WARNING on mkp-scsi/for-next] [cannot apply to jejb-scsi/for-next linus/master v6.12-rc3 next-20241018] [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/Karan-Tilak-Kumar/scsi-fnic-Replace-shost_printk-with-dev_info-dev_err/20241019-002800 base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next patch link: https://lore.kernel.org/r/20241018161409.4442-10-kartilak%40cisco.com patch subject: [PATCH v5 09/14] scsi: fnic: Modify IO path to use FDLS config: x86_64-kexec (https://download.01.org/0day-ci/archive/20241021/202410210147.fQp7tYeb-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241021/202410210147.fQp7tYeb-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/202410210147.fQp7tYeb-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/scsi/fnic/fnic_scsi.c:269:15: warning: variable 'ioreq_count' set but not used [-Wunused-but-set-variable] 269 | unsigned int ioreq_count; | ^ drivers/scsi/fnic/fnic_scsi.c:928:6: warning: variable 'xfer_len' set but not used [-Wunused-but-set-variable] 928 | u64 xfer_len = 0; | ^ drivers/scsi/fnic/fnic_scsi.c:2506:21: warning: variable 'fnic_stats' set but not used [-Wunused-but-set-variable] 2506 | struct fnic_stats *fnic_stats; | ^ 3 warnings generated. vim +/ioreq_count +269 drivers/scsi/fnic/fnic_scsi.c 258 259 260 /* 261 * fnic_fw_reset_handler 262 * Routine to send reset msg to fw 263 */ 264 int fnic_fw_reset_handler(struct fnic *fnic) 265 { 266 struct vnic_wq_copy *wq = &fnic->hw_copy_wq[0]; 267 int ret = 0; 268 unsigned long flags; > 269 unsigned int ioreq_count; 270 271 /* indicate fwreset to io path */ 272 fnic_set_state_flags(fnic, FNIC_FLAGS_FWRESET); 273 ioreq_count = fnic_count_all_ioreqs(fnic); 274 275 /* wait for io cmpl */ 276 while (atomic_read(&fnic->in_flight)) 277 schedule_timeout(msecs_to_jiffies(1)); 278 279 spin_lock_irqsave(&fnic->wq_copy_lock[0], flags); 280 281 if (vnic_wq_copy_desc_avail(wq) <= fnic->wq_copy_desc_low[0]) 282 free_wq_copy_descs(fnic, wq, 0); 283 284 if (!vnic_wq_copy_desc_avail(wq)) 285 ret = -EAGAIN; 286 else { 287 fnic_queue_wq_copy_desc_fw_reset(wq, SCSI_NO_TAG); 288 atomic64_inc(&fnic->fnic_stats.fw_stats.active_fw_reqs); 289 if (atomic64_read(&fnic->fnic_stats.fw_stats.active_fw_reqs) > 290 atomic64_read(&fnic->fnic_stats.fw_stats.max_fw_reqs)) 291 atomic64_set(&fnic->fnic_stats.fw_stats.max_fw_reqs, 292 atomic64_read( 293 &fnic->fnic_stats.fw_stats.active_fw_reqs)); 294 } 295 296 spin_unlock_irqrestore(&fnic->wq_copy_lock[0], flags); 297 298 if (!ret) { 299 atomic64_inc(&fnic->fnic_stats.reset_stats.fw_resets); 300 FNIC_SCSI_DBG(KERN_INFO, fnic->lport->host, fnic->fnic_num, 301 "Issued fw reset\n"); 302 } else { 303 fnic_clear_state_flags(fnic, FNIC_FLAGS_FWRESET); 304 FNIC_SCSI_DBG(KERN_ERR, fnic->lport->host, fnic->fnic_num, 305 "Failed to issue fw reset\n"); 306 } 307 308 return ret; 309 } 310 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki