git-svn-id: svn://db.shs.com.ru/pip@272 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5

2016-09-26 17:18:01 +00:00
parent e32af525d1
commit 8aad1b413c
1 changed files with 1 additions and 0 deletions
--- a/src/io/piconnection.cpp
+++ b/src/io/piconnection.cpp
@@ -861,6 +861,7 @@ int PIConnection::write(PIIODevice * dev, const PIByteArray & data) {
 		piCoutObj << "Null Device!";
 		return -1;
 	}
+	if (!dev->isOpened()) return -1;
 	if (!dev->canWrite()) {
 		piCoutObj << "Device \"" << dev->constructFullPath() << "\" can`t write!";
 		return -1;