tools/env/fw_env.c: In function 'flash_io':
tools/env/fw_env.c:1371:33: warning: 'dname' may be used uninitialized in this function [-Wmaybe-uninitialized]
 1371 |                                 fprintf(stderr,
      |                                 ^~~~~~~~~~~~~~~
 1372 |                                         "I/O error on %s: %s\n",
      |                                         ~~~~~~~~~~~~~~~~~~~~~~~~
 1373 |                                         dname, strerror(errno));
      |                                         ~~~~~~~~~~~~~~~~~~~~~~~
tools/env/fw_env.c:1297:21: note: 'dname' was declared here
 1297 |         const char *dname, *target_temp = NULL;
      |                     ^~~~~