PVS-Studio warning V517 for tor-project

const node_t *
node_get_by_nickname(const char *nickname, int warn_if_unnamed)
{
  ....
  if (smartlist_len(matches)>1 && warn_if_unnamed) {
    ....
  } else if (smartlist_len(matches)>1 && warn_if_unnamed) {
  ....
}

This suspicious code was found in tor-project project by PVS-Studio static code analyzer.
Warning message is:
V517 The use of 'if (A) {...} else if (A) {...}' pattern was detected. There is a probability of logical error presence. Check lines: 547, 561. nodelist.c 547

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