From 956b2495285251e4840ec32885ffa2cfbb7bd79c Mon Sep 17 00:00:00 2001
From: Thiago Macieira <thiago.macieira@intel.com>
Date: Thu, 16 Mar 2023 18:10:34 -0700
Subject: [PATCH] QProcess/Unix: don't overwrite openChannels() error message

Pick-to: 6.5
Change-Id: Icfe44ecf285a480fafe4fffd174d0fa4701b0076
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
---
 src/corelib/io/qprocess_unix.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/corelib/io/qprocess_unix.cpp b/src/corelib/io/qprocess_unix.cpp
index 24c5ebc6d2c..9fbf869455c 100644
--- a/src/corelib/io/qprocess_unix.cpp
+++ b/src/corelib/io/qprocess_unix.cpp
@@ -421,8 +421,12 @@ void QProcessPrivate::startProcess()
 #endif
 
     // Initialize pipes
-    if (!openChannels() || qt_create_pipe(childStartedPipe) != 0) {
-        setErrorAndEmit(QProcess::FailedToStart, qt_error_string(errno));
+    if (!openChannels()) {
+        // openChannel sets the error string
+        return;
+    }
+    if (qt_create_pipe(childStartedPipe) != 0) {
+        setErrorAndEmit(QProcess::FailedToStart, "pipe: "_L1 + qt_error_string(errno));
         cleanup();
         return;
     }