Harald Welte f6bd340df6 GPRS/GMM: Correctly look up MM Context in RA Update
If a MS changes RA, the RA will arrive in the new cell using the old
TLLI (masked as foreign TLLI).  So we need to look-up the TLLI
in a special way, using the old RA as indicated in the 04.08 GMM
message.

There is still another bug remaining: As we somehow create a new LLC,
the sequence numbers of our responses start from 0 again, which is not
what the MS expects.  This needs to be fixed in a follow-up patch.
2010-12-23 23:38:02 +01:00
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