Examples of errors detected by the V1020 diagnostic

V1020. Function exited without performing epilogue actions. It is possible that there is an error.


Zephyr

V1020 The function exited without calling the 'k_mutex_unlock' function. Check lines: 620, 549. nvs.c 620


static int nvs_startup(struct nvs_fs *fs)
{
  ....
  k_mutex_lock(&fs->nvs_lock, K_FOREVER);
  ....
  if (fs->ate_wra == fs->data_wra && last_ate.len) {
    return -ESPIPE;
  }
  ....
end:
  k_mutex_unlock(&fs->nvs_lock);
  return rc;
}

Similar errors can be found in some other places:

  • V1020 The function exited without calling the 'k_mutex_unlock' function. Check lines: 574, 549. nvs.c 574
  • V1020 The function exited without calling the 'k_mutex_unlock' function. Check lines: 908, 890. net_context.c 908
  • V1020 The function exited without calling the 'k_mutex_unlock' function. Check lines: 1194, 1189. shell.c 1194


Bugs Found

Checked Projects
378
Collected Errors
13 715