CC: kbuild-...@lists.01.org BCC: l...@intel.com CC: Alison Schofield <alison.schofi...@intel.com> CC: Vishal Verma <vishal.l.ve...@intel.com> CC: Ira Weiny <ira.we...@intel.com> CC: Ben Widawsky <ben.widaw...@intel.com> CC: Dan Williams <dan.j.willi...@intel.com> TO: Dan Williams <dan.j.willi...@intel.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git preview head: 1985cf58850562e4b960e19d46f0d8f19d6c7cbd commit: 9ca045c484e85341c26fe26881e528f7624bdaea [47/51] cxl/hdm: Commit decoder state to hardware :::::: branch date: 10 days ago :::::: commit date: 10 days ago config: i386-randconfig-m021-20220704 (https://download.01.org/0day-ci/archive/20220705/202207050730.3wxxhwgw-...@intel.com/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <l...@intel.com> Reported-by: Dan Carpenter <dan.carpen...@oracle.com> New smatch warnings: drivers/cxl/core/region.c:192 cxl_region_decode_commit() error: uninitialized symbol 'rc'. Old smatch warnings: drivers/cxl/core/region.c:201 cxl_region_decode_commit() error: uninitialized symbol 'rc'. drivers/cxl/core/region.c:443 alloc_hpa() error: uninitialized symbol 'res'. drivers/cxl/core/region.c:964 cxl_port_setup_targets() error: uninitialized symbol 'peig'. drivers/cxl/core/region.c:964 cxl_port_setup_targets() error: uninitialized symbol 'peiw'. drivers/cxl/core/region.c:964 cxl_port_setup_targets() error: uninitialized symbol 'eiw'. drivers/cxl/core/region.c:968 cxl_port_setup_targets() error: uninitialized symbol 'peiw'. drivers/cxl/core/region.c:969 cxl_port_setup_targets() error: uninitialized symbol 'peig'. drivers/cxl/core/region.c:1557 create_pmem_region_store() warn: unsigned 'rc' is never less than zero. vim +/rc +192 drivers/cxl/core/region.c 9ca045c484e853 Dan Williams 2022-06-08 155 9ca045c484e853 Dan Williams 2022-06-08 156 static int cxl_region_decode_commit(struct cxl_region *cxlr) 9ca045c484e853 Dan Williams 2022-06-08 157 { 9ca045c484e853 Dan Williams 2022-06-08 158 struct cxl_region_params *p = &cxlr->params; 9ca045c484e853 Dan Williams 2022-06-08 159 int i, rc; 9ca045c484e853 Dan Williams 2022-06-08 160 9ca045c484e853 Dan Williams 2022-06-08 161 for (i = 0; i < p->nr_targets; i++) { 9ca045c484e853 Dan Williams 2022-06-08 162 struct cxl_endpoint_decoder *cxled = p->targets[i]; 9ca045c484e853 Dan Williams 2022-06-08 163 struct cxl_memdev *cxlmd = cxled_to_memdev(cxled); 9ca045c484e853 Dan Williams 2022-06-08 164 struct cxl_region_ref *cxl_rr; 9ca045c484e853 Dan Williams 2022-06-08 165 struct cxl_decoder *cxld; 9ca045c484e853 Dan Williams 2022-06-08 166 struct cxl_port *iter; 9ca045c484e853 Dan Williams 2022-06-08 167 struct cxl_ep *ep; 9ca045c484e853 Dan Williams 2022-06-08 168 9ca045c484e853 Dan Williams 2022-06-08 169 /* commit bottom up */ 9ca045c484e853 Dan Williams 2022-06-08 170 for (iter = cxled_to_port(cxled); !is_cxl_root(iter); 9ca045c484e853 Dan Williams 2022-06-08 171 iter = to_cxl_port(iter->dev.parent)) { 9ca045c484e853 Dan Williams 2022-06-08 172 cxl_rr = cxl_rr_load(iter, cxlr); 9ca045c484e853 Dan Williams 2022-06-08 173 cxld = cxl_rr->decoder; 9ca045c484e853 Dan Williams 2022-06-08 174 rc = cxld->commit(cxld); 9ca045c484e853 Dan Williams 2022-06-08 175 if (rc) 9ca045c484e853 Dan Williams 2022-06-08 176 break; 9ca045c484e853 Dan Williams 2022-06-08 177 } 9ca045c484e853 Dan Williams 2022-06-08 178 9ca045c484e853 Dan Williams 2022-06-08 179 if (is_cxl_root(iter)) 9ca045c484e853 Dan Williams 2022-06-08 180 continue; 9ca045c484e853 Dan Williams 2022-06-08 181 9ca045c484e853 Dan Williams 2022-06-08 182 /* teardown top down */ 9ca045c484e853 Dan Williams 2022-06-08 183 for (ep = cxl_ep_load(iter, cxlmd); ep && iter; 9ca045c484e853 Dan Williams 2022-06-08 184 iter = ep->next, ep = cxl_ep_load(iter, cxlmd)) { 9ca045c484e853 Dan Williams 2022-06-08 185 cxl_rr = cxl_rr_load(iter, cxlr); 9ca045c484e853 Dan Williams 2022-06-08 186 cxld = cxl_rr->decoder; 9ca045c484e853 Dan Williams 2022-06-08 187 cxld->reset(cxld); 9ca045c484e853 Dan Williams 2022-06-08 188 } 9ca045c484e853 Dan Williams 2022-06-08 189 9ca045c484e853 Dan Williams 2022-06-08 190 cxled->cxld.reset(&cxled->cxld); 9ca045c484e853 Dan Williams 2022-06-08 191 if (i == 0) 9ca045c484e853 Dan Williams 2022-06-08 @192 return rc; 9ca045c484e853 Dan Williams 2022-06-08 193 break; 9ca045c484e853 Dan Williams 2022-06-08 194 } 9ca045c484e853 Dan Williams 2022-06-08 195 9ca045c484e853 Dan Williams 2022-06-08 196 if (i >= p->nr_targets) 9ca045c484e853 Dan Williams 2022-06-08 197 return 0; 9ca045c484e853 Dan Williams 2022-06-08 198 9ca045c484e853 Dan Williams 2022-06-08 199 /* undo the targets that were successfully committed */ 9ca045c484e853 Dan Williams 2022-06-08 200 cxl_region_decode_reset(cxlr, i); 9ca045c484e853 Dan Williams 2022-06-08 201 return rc; 9ca045c484e853 Dan Williams 2022-06-08 202 } 9ca045c484e853 Dan Williams 2022-06-08 203 -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
