Hi Viswas, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on mkp-scsi/for-next] [also build test WARNING on scsi/for-next v5.9-rc6 next-20200924] [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] url: https://github.com/0day-ci/linux/commits/Viswas-G/pm80xx-updates/20200925-141508 base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next config: xtensa-allyesconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 9.3.0 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 # https://github.com/0day-ci/linux/commit/417584937b14cc5369025f0d5cd9882674b8a2f8 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Viswas-G/pm80xx-updates/20200925-141508 git checkout 417584937b14cc5369025f0d5cd9882674b8a2f8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=xtensa 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/pm8001/pm8001_init.c: In function 'pm8001_init_ccb_tag': >> drivers/scsi/pm8001/pm8001_init.c:1174:9: warning: variable 'ret' set but not used [-Wunused-but-set-variable] 1174 | int i, ret = 0; | ^~~ vim +/ret +1174 drivers/scsi/pm8001/pm8001_init.c 1164 1165 /* 1166 * pm8001_init_ccb_tag - allocate memory to CCB and tag. 1167 * @pm8001_ha: our hba card information. 1168 * @shost: scsi host which has been allocated outside. 1169 */ 1170 static int 1171 pm8001_init_ccb_tag(struct pm8001_hba_info *pm8001_ha, struct Scsi_Host *shost, 1172 struct pci_dev *pdev) 1173 { > 1174 int i, ret = 0; 1175 u32 max_out_io, ccb_count; 1176 u32 can_queue; 1177 1178 max_out_io = pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io; 1179 ccb_count = min_t(int, PM8001_MAX_CCB, max_out_io); 1180 1181 /*Update to the scsi host*/ 1182 can_queue = ccb_count - PM8001_RESERVE_SLOT; 1183 shost->can_queue = can_queue; 1184 1185 pm8001_ha->tags = kzalloc(ccb_count, GFP_KERNEL); 1186 if (!pm8001_ha->tags) 1187 goto err_out; 1188 1189 /* Memory region for ccb_info*/ 1190 pm8001_ha->ccb_info = (struct pm8001_ccb_info *) 1191 kcalloc(ccb_count, sizeof(struct pm8001_ccb_info), GFP_KERNEL); 1192 if (!pm8001_ha->ccb_info) { 1193 ret = -ENOMEM; 1194 goto err_out_noccb; 1195 } 1196 for (i = 0; i < ccb_count; i++) { 1197 pm8001_ha->ccb_info[i].buf_prd = pci_alloc_consistent(pdev, 1198 sizeof(struct pm8001_prd) * PM8001_MAX_DMA_SG, 1199 &pm8001_ha->ccb_info[i].ccb_dma_handle); 1200 if (!pm8001_ha->ccb_info[i].buf_prd) { 1201 PM8001_FAIL_DBG(pm8001_ha, pm8001_printk 1202 (KERN_ERR "pm80xx: ccb prd memory allocation error\n")); 1203 goto err_out; 1204 } 1205 pm8001_ha->ccb_info[i].task = NULL; 1206 pm8001_ha->ccb_info[i].ccb_tag = 0xffffffff; 1207 pm8001_ha->ccb_info[i].device = NULL; 1208 ++pm8001_ha->tags_num; 1209 } 1210 return 0; 1211 1212 err_out_noccb: 1213 kfree(pm8001_ha->devices); 1214 err_out: 1215 return -ENOMEM; 1216 } 1217 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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