PVS-Studio warning V593 for QT

bool QConfFileSettingsPrivate::readIniLine(....)
{
  ....
  char ch;
  while (i < dataLen &&
         ((ch = data.at(i) != '\n') && ch != '\r'))
    ++i;
  ....
}

This suspicious code was found in QT project by PVS-Studio static code analyzer.
Warning message is:
V593 Consider reviewing the expression of the 'A = B != C' kind. The expression is calculated as following: 'A = (B != C)'. qsettings.cpp 1702

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