unreachable code in airo_set_auth()

[Dan Carpenter <error27@xxxxxxxxx>]

Smatch (http://repo.or.cz/w/smatch.git) complains about unreachable code 
in airo_set_auth() from drivers/net/wireless/airo.c

We don't actually commit the changes, but instead break on line 6577.  I 
didn't know what was intended there.  Or who the maintainer was.

regards,
dan carpenter

  6567          case IW_AUTH_80211_AUTH_ALG: {
  6568                          /* FIXME: What about AUTH_OPEN?  This API seems to
  6569                           * disallow setting our auth to AUTH_OPEN.
  6570                           */
  6571                          if (param->value & IW_AUTH_ALG_SHARED_KEY) {
  6572                                  local->config.authType = AUTH_SHAREDKEY;
  6573                          } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
  6574                                  local->config.authType = AUTH_ENCRYPT;
  6575                          } else
  6576                                  return -EINVAL;
  6577                          break;
  6578  
  6579                          /* Commit the changes to flags if needed */
  6580                          if (local->config.authType != currentAuthType)
  6581                                  set_bit (FLAG_COMMIT, &local->flags);
  6582                  }

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