[PATCH] osmo-sgsn[master]: GMM: dont reply to GMM_DETACH_REQ with POWER OFF when MS is ...

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lynxis lazus gerrit-no-reply at lists.osmocom.org
Wed May 2 17:02:02 UTC 2018


Review at  https://gerrit.osmocom.org/7980

GMM: dont reply to GMM_DETACH_REQ with POWER OFF when MS is unknown

Change-Id: I1d1cf64500f1295ab58d157d4d4dab16fcddbbf3
---
M src/gprs/gprs_gmm.c
1 file changed, 7 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-sgsn refs/changes/80/7980/1

diff --git a/src/gprs/gprs_gmm.c b/src/gprs/gprs_gmm.c
index 28fba71..93d64a4 100644
--- a/src/gprs/gprs_gmm.c
+++ b/src/gprs/gprs_gmm.c
@@ -1933,6 +1933,13 @@
 		if (gh->msg_type == GSM48_MT_GMM_DETACH_ACK)
 			return gprs_llgmm_unassign(llme);
 
+		/* Don't reply to deatch requests, reason power off */
+		if (gh->msg_type == GSM48_MT_GMM_DETACH_REQ &&
+			gh->data[0] & 0x8) {
+			return 0;
+		}
+
+
 		gprs_llgmm_reset(llme);
 
 		/* Don't force it into re-attachment */

-- 
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I1d1cf64500f1295ab58d157d4d4dab16fcddbbf3
Gerrit-PatchSet: 1
Gerrit-Project: osmo-sgsn
Gerrit-Branch: master
Gerrit-Owner: lynxis lazus <lynxis at fe80.eu>



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