This fixes freeing net_buf without bt_conn_unref call.
As the result, the OTA was broken.
Fixes 8636
Signed-off-by: Mariusz Skamra <mariusz.skamra@codecoup.pl>
Instead of storing a bt_addr_le_t, just store a pointer to the bt_conn
object (which is what the code is interested in anyway). This way the
user data size requirement drops from 7 to 4, which is the default
that all current users are happy with.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Mariusz Skamra