tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: fb893de323e2d39f7a1f6df425703a2edbdf56ea commit: 17b332f48074e7ee2169ee4268ced6274e1c95c3 cxgb4: add support to read serial flash date: 8 weeks ago config: parisc-randconfig-m031-20200811 (attached as .config) compiler: hppa-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; New smatch warnings: drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c:3194 cudbg_collect_flash() error: uninitialized symbol 'rc'. Old smatch warnings: drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c:3157 cudbg_collect_qdesc() error: uninitialized symbol 'rc'. vim +/rc +3194 drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c 3159 3160 int cudbg_collect_flash(struct cudbg_init *pdbg_init, 3161 struct cudbg_buffer *dbg_buff, 3162 struct cudbg_error *cudbg_err) 3163 { 3164 struct adapter *padap = pdbg_init->adap; 3165 u32 count = padap->params.sf_size, n; 3166 struct cudbg_buffer temp_buff = {0}; 3167 u32 addr, i; 3168 int rc; 3169 3170 addr = FLASH_EXP_ROM_START; 3171 3172 for (i = 0; i < count; i += SF_PAGE_SIZE) { 3173 n = min_t(u32, count - i, SF_PAGE_SIZE); 3174 3175 rc = cudbg_get_buff(pdbg_init, dbg_buff, n, &temp_buff); 3176 if (rc) { 3177 cudbg_err->sys_warn = CUDBG_STATUS_PARTIAL_DATA; 3178 goto out; 3179 } 3180 rc = t4_read_flash(padap, addr, n, (u32 *)temp_buff.data, 0); 3181 if (rc) 3182 goto out; 3183 3184 addr += (n * 4); 3185 rc = cudbg_write_and_release_buff(pdbg_init, &temp_buff, 3186 dbg_buff); 3187 if (rc) { 3188 cudbg_err->sys_warn = CUDBG_STATUS_PARTIAL_DATA; 3189 goto out; 3190 } 3191 } 3192 3193 out: --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org