From 8d095933148a0a88ecf1b6bccbbe4ce6c248e2cd Mon Sep 17 00:00:00 2001
From: Markus Armbruster
Date: Wed, 12 Oct 2022 17:38:00 +0200
Subject: qtest: Improve error messages when property can not be set right now

When you try to set qtest property "log" while the qtest object is
active, the error message blames "insufficient permission":

    $ qemu-system-x86_64 -S -display none -nodefaults -monitor stdio -chardev socket,id=chrqt0,path=qtest.socket,server=on,wait=off -object qtest,id=qt0,chardev=chrqt0,log=/dev/null
    QEMU 7.1.50 monitor - type 'help' for more information
    (qemu) qom-set /objects/qt0 log qtest.log
    Error: Insufficient permission to perform this operation

This implies it could work with "sufficient permission".  It can't.
Change the error message to:

    Error: Property 'log' can not be set now

Same for property "chardev".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221012153801.2604340-4-armbru@redhat.com>
---
 softmmu/qtest.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'softmmu')

diff --git a/softmmu/qtest.c b/softmmu/qtest.c
index f8acef2628..afea7693d0 100644
--- a/softmmu/qtest.c
+++ b/softmmu/qtest.c
@@ -977,7 +977,7 @@ static void qtest_set_log(Object *obj, const char *value, Error **errp)
     QTest *q = QTEST(obj);
 
     if (qtest == q) {
-        error_setg(errp, QERR_PERMISSION_DENIED);
+        error_setg(errp, "Property 'log' can not be set now");
     } else {
         g_free(q->log);
         q->log = g_strdup(value);
@@ -997,7 +997,7 @@ static void qtest_set_chardev(Object *obj, const char *value, Error **errp)
     Chardev *chr;
 
     if (qtest == q) {
-        error_setg(errp, QERR_PERMISSION_DENIED);
+        error_setg(errp, "Property 'chardev' can not be set now");
         return;
     }
 
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