From 0badfebcb19d8baa00150c0daad0b021025c6c44 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andrius=20=C5=A0tikonas?= <andrius@stikonas.eu>
Date: Mon, 4 Sep 2017 19:55:08 +0100
Subject: [PATCH] lvm: disable error channel for vgs/pvs commands.

Having an error channel can result in unwanted devices, e.g.:
"/dev//dev/mapper/test: read failed after 0 of 4096 at 0: Input/output error"
---
 src/core/lvmdevice.cpp | 2 +-
 src/fs/lvm2_pv.cpp     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/core/lvmdevice.cpp b/src/core/lvmdevice.cpp
index 6f21684..7cc992c 100644
--- a/src/core/lvmdevice.cpp
+++ b/src/core/lvmdevice.cpp
@@ -299,7 +299,7 @@ QString LvmDevice::getField(const QString& fieldName, const QString& vgName)
     if  (!vgName.isEmpty()) {
         args << vgName;
     }
-    ExternalCommand cmd(QStringLiteral("lvm"), args);
+    ExternalCommand cmd(QStringLiteral("lvm"), args, QProcess::ProcessChannelMode::SeparateChannels);
     if (cmd.run(-1) && cmd.exitCode() == 0) {
         return cmd.output().trimmed();
     }
diff --git a/src/fs/lvm2_pv.cpp b/src/fs/lvm2_pv.cpp
index f92e6f2..91964ac 100644
--- a/src/fs/lvm2_pv.cpp
+++ b/src/fs/lvm2_pv.cpp
@@ -242,7 +242,7 @@ QString  lvm2_pv::getpvField(const QString& fieldName, const QString& deviceNode
     if (!deviceNode.isEmpty()) {
         args << deviceNode;
     }
-    ExternalCommand cmd(QStringLiteral("lvm"), args);
+    ExternalCommand cmd(QStringLiteral("lvm"), args, QProcess::ProcessChannelMode::SeparateChannels);
     if (cmd.run(-1) && cmd.exitCode() == 0) {
         return cmd.output().trimmed();
     }