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[PATCH 3/4] qtest: Improve error messages when property can not be set r


From: Markus Armbruster
Subject: [PATCH 3/4] qtest: Improve error messages when property can not be set right now
Date: Wed, 12 Oct 2022 17:38:00 +0200

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>
---
 softmmu/qtest.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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;
     }
 
-- 
2.37.2




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