QNativeSocketEngine: Also handle unknown errors from socket engine

Task-number: QTBUG-7316
Task-number: QTBUG-7317
Reviewed-by: thiago
(cherry picked from commit ef89c6a9f39924a3c8366ad9522b42e7b1915b01)

1 files changed, 5 insertions, 0 deletions

diff --git a/src/network/socket/qnativesocketengine.cpp b/src/network/socket/qnativesocketengine.cpp
index 6e1df93..9e7bb27 100644
--- a/src/network/socket/qnativesocketengine.cpp
+++ b/src/network/socket/qnativesocketengine.cpp
@@ -778,6 +778,11 @@ qint64 QNativeSocketEngine::read(char *data, qint64 maxSize)
                     QNativeSocketEnginePrivate::RemoteHostClosedErrorString);
         close();
         return -1;
+    } else if (readBytes == -1) {
+        d->setError(QAbstractSocket::NetworkError,
+                    QNativeSocketEnginePrivate::ReadErrorString);
+        close();
+        return -1;
     }
     return readBytes;
 }