qemu/chardev-tcp-Fix-error-message-double-free-error.patch

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From 4488ab4700d344b049ddef808a64eda4b5867902 Mon Sep 17 00:00:00 2001
From: lichun <lichun@ruijie.com.cn>
Date: Mon, 22 Jun 2020 05:30:17 +0800
Subject: [PATCH 06/11] chardev/tcp: Fix error message double free error
Errors are already freed by error_report_err, so we only need to call
error_free when that function is not called.
Cc: qemu-stable@nongnu.org
Signed-off-by: lichun <lichun@ruijie.com.cn>
Message-Id: <20200621213017.17978-1-lichun@ruijie.com.cn>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Commit message improved, cc: qemu-stable]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: BiaoXiang Ye <yebiaoxiang@huawei.com>
---
chardev/char-socket.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/chardev/char-socket.c b/chardev/char-socket.c
index 701b62f9..9b06c8aa 100644
--- a/chardev/char-socket.c
+++ b/chardev/char-socket.c
@@ -141,6 +141,8 @@ static void check_report_connect_error(Chardev *chr,
error_report("Unable to connect character device %s: %s",
chr->label, error_get_pretty(err));
s->connect_err_reported = true;
+ } else {
+ error_free(err);
}
qemu_chr_socket_restart_timer(chr);
}
@@ -1074,7 +1076,6 @@ static void qemu_chr_socket_connected(QIOTask *task, void *opaque)
if (qio_task_propagate_error(task, &err)) {
tcp_chr_change_state(s, TCP_CHARDEV_STATE_DISCONNECTED);
check_report_connect_error(chr, err);
- error_free(err);
goto cleanup;
}
--
2.27.0.dirty