tree bfcede6b6f4f7f0914a3b914f0368964e6537766
parent af3d5c508c9ca3ebae9388d3e09c5d7726db4f5c
author Jacob Erlbeck <jerlbeck@sysmocom.de> 1420479521 +0100
committer Holger Hans Peter Freyther <holger@moiji-mobile.com> 1421601641 +0100

gprs: Use the cause value in  GSUP error messages

Currently always a cause with the meaning of 'access denied' is
assumed. gprs_subscr_handle_gsup_auth_err just clears the auth
triplets and the authorized flag before calling the update function.
gprs_subscr_handle_gsup_upd_loc_err only clears the authorized flag
and calls the update function. This means, that an MS will not retry
to attach even on temporary network errors.

This patch changes these functions to use the GSUP error cause value
to decide, whether to clear the corresponding subscriber fields, to
just continue with the corresponding update function, or to log,
ignore and not pass the cause to the MS in case the error is directly
related to the GSUP protocol. The subscriber's error_cause field is
updated, if the update function is going to be called. The
error_cause fielt is reset on non-error GSUP messages.

Sponsored-by: On-Waves ehf