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 <[email protected]>

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:
> 3194          return rc;

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]

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