scsi: qla2xxx: Fix end of loop test

This loop will exit successfully when "found" is false or in the failure
case it times out with "wait_iter" set to -1.  The test for timeouts is
impossible as is.

Fixes: b843adde ("scsi: qla2xxx: Fix mem access after free")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/cea5a62f-b873-4347-8f8e-c67527ced8d2@kili.mountainSigned-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/qla2xxx/qla_os.c

@@ -1409,7 +1409,7 @@ __qla2x00_eh_wait_for_pending_commands(struct qla_qpair *qpair, unsigned int t,
 			break;
 	}
 
-	if (!wait_iter && found)
+	if (wait_iter == -1)
 		status = QLA_FUNCTION_FAILED;
 
 	return status;