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Re: [PATCH v2] chardev/tcp: fix error message double free error
From: |
Paolo Bonzini |
Subject: |
Re: [PATCH v2] chardev/tcp: fix error message double free error |
Date: |
Wed, 1 Jul 2020 15:09:08 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 |
On 01/07/20 09:06, Markus Armbruster wrote:
> lichun <lichun@ruijie.com.cn> writes:
>
>> Signed-off-by: lichun <lichun@ruijie.com.cn>
>> ---
>> 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 afebeec5c3..569d54c144 100644
>> --- a/chardev/char-socket.c
>> +++ b/chardev/char-socket.c
>> @@ -142,6 +142,8 @@ static void check_report_connect_error(Chardev *chr,
>> "Unable to connect character device %s: ",
>> chr->label);
>> s->connect_err_reported = true;
>> + } else {
>> + error_free(err);
>> }
>> qemu_chr_socket_restart_timer(chr);
>> }
>> @@ -1086,7 +1088,6 @@ 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;
>> }
>
> Reviewed-by: Markus Armbruster <armbru@redhat.com>
>
> and queued, thanks!
>
Can you please add a note to the commit message?
Errors are already freed by error_report_err, so we only need to call
error_free when that function is not called.
and Cc qemu-stable? Or I can queue it too since it's chardev stuff.