https://github.com/rsyslog/rsyslog/issues/1838

--- a/plugins/imgssapi/imgssapi.c
+++ b/plugins/imgssapi/imgssapi.c
@@ -291,7 +291,7 @@ finalize_it:
 
 
 static rsRetVal
-doRcvData(tcps_sess_t *pSess, char *buf, size_t lenBuf, ssize_t *piLenRcvd)
+doRcvData(tcps_sess_t *pSess, char *buf, size_t lenBuf, ssize_t *piLenRcvd, int *const oserr)
 {
 	DEFiRet;
 	int allowedMethods;
@@ -307,7 +307,7 @@ doRcvData(tcps_sess_t *pSess, char *buf, size_t lenBuf, ssize_t *piLenRcvd)
 		CHKiRet(TCPSessGSSRecv(pSess, buf, lenBuf, piLenRcvd));
 	} else {
 		*piLenRcvd = lenBuf;
-		CHKiRet(netstrm.Rcv(pSess->pStrm, (uchar*) buf, piLenRcvd) != RS_RET_OK);
+		CHKiRet(netstrm.Rcv(pSess->pStrm, (uchar*) buf, piLenRcvd, oserr));
 	}
 
 finalize_it: