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From: Denis Kenzior <denkenz@gmail.com>
To: ofono@ofono.org
Subject: Re: [PATCH 1/4] tc65: Replace tc65 plugin with cinterion plugin
Date: Wed, 13 May 2015 15:58:32 -0500	[thread overview]
Message-ID: <5553BAF8.7090109@gmail.com> (raw)
In-Reply-To: <20150513151821.GC28082@rincewind.trouble.is>

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Hi Philip,

 >> +static void cinterion_set_online(struct ofono_modem *modem, 
ofono_bool_t online,
>> +			ofono_modem_online_cb_t cb, void *user_data)
>> +{
>> +	GAtChat *chat = ofono_modem_get_data(modem);
>> +	struct cb_data *cbd = cb_data_new(cb, user_data);
>> +	char const *command = online ? "AT+CFUN=1" : "AT+CFUN=7";
>> +
>> +	DBG("modem %p %s", modem, online ? "online" : "offline");
>> +
>> +	if (g_at_chat_send(chat, command, NULL, set_online_cb, cbd, g_free))
>> +		return;
>> +
>> +	g_free(cbd);
>> +
>> +	CALLBACK_WITH_FAILURE(cb, cbd->data);
>> +}
>
> Doesn't this expand into a use after free bug if g_at_chat_send() fails?
>

Yes it does!  I fixed a few more occurrences of this bug.  Thanks for 
pointing it out.

Regards,
-Denis

      parent reply	other threads:[~2015-05-13 20:58 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-12 17:22 [PATCH 1/4] tc65: Replace tc65 plugin with cinterion plugin Alex J Lennon
2015-05-12 17:23 ` [PATCH 2/4] atmodem: Add Cinterion quirk for signal strength Alex J Lennon
2015-05-13 14:58   ` Denis Kenzior
2015-05-12 17:23 ` [PATCH 3/4] cinterion: Register as OFONO_VENDOR_CINTERION Alex J Lennon
2015-05-13 14:59   ` Denis Kenzior
2015-05-12 17:23 ` [PATCH 4/4] udev: Add support for ehs6 name Alex J Lennon
2015-05-13 14:59   ` Denis Kenzior
2015-05-13 14:58 ` [PATCH 1/4] tc65: Replace tc65 plugin with cinterion plugin Denis Kenzior
2015-05-13 15:18 ` Philip Paeps
2015-05-13 16:11   ` Alex J Lennon
2015-05-13 20:58   ` Denis Kenzior [this message]

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