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bluetooth: fix invalid memory access

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When an GetProperties() reply arrives after we already deleted the
device structure for it make sure we don't accidentaly touch the
invalidated object.

https://bugzilla.redhat.com/show_bug.cgi?id=543205
This commit is contained in:
Lennart Poettering 2010-01-13 17:24:37 +01:00
parent 73ae1fce00
commit 4bcb1a909f
1 changed files with 7 additions and 1 deletions
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8
src/modules/bluetooth/bluetooth-util.c
View file

@ -342,7 +342,13 @@ static void get_properties_reply(DBusPendingCall *pending, void *userdata) {
/* dbus_message_get_interface(p->message), */
/* dbus_message_get_path(p->message)); */
d = p->call_data;
/* We don't use p->call_data here right-away since the device
* might already be invalidated at this point */
if (!(d = pa_hashmap_get(y->devices, dbus_message_get_path(p->message))))
return;
pa_assert(p->call_data == d);
valid = dbus_message_get_type(r) == DBUS_MESSAGE_TYPE_ERROR ? -1 : 1;