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Subjectdrivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c:3194 cudbg_collect_flash() error: uninitialized symbol 'rc'.
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@intel.com>

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/kbuild-all@lists.01.org
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