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qga: fix false negative argument passing 

Function send_response(s, &qdict->base) returns a negative number
when any failures occured. But strerror()'s parameter cannot be
negative. Let's change the testing condition and pass '-ret' to
strerr().

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Gonglei 2014-11-15 18:06:42 +08:00 committed by Paolo Bonzini
parent 77e205a528
commit 1def74548d
1 changed files with 2 additions and 2 deletions
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4
qga/main.c
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@ -603,8 +603,8 @@ static void process_event(JSONMessageParser *parser, QList *tokens)
error_free(err);
}
ret = send_response(s, QOBJECT(qdict));
if (ret) {
g_warning("error sending error response: %s", strerror(ret));
if (ret < 0) {
g_warning("error sending error response: %s", strerror(-ret));
}
}