sgsn: Cancel pending timer in sgsn_mm_ctx_free
Currently the timer is not stopped before the MM context is freed
which can lead to failure if sgsn_mm_ctx_free is called while timer
protected procedures are active.
This patch add code to cancel the timer if necessary from within
sgsn_mm_ctx_free.
Ticket: OW#1322
Sponsored-by: On-Waves ehf
diff --git a/openbsc/src/gprs/gprs_sgsn.c b/openbsc/src/gprs/gprs_sgsn.c
index ce9868e..e684713 100644
--- a/openbsc/src/gprs/gprs_sgsn.c
+++ b/openbsc/src/gprs/gprs_sgsn.c
@@ -180,6 +180,11 @@
{
struct sgsn_pdp_ctx *pdp, *pdp2;
+ if (osmo_timer_pending(&mm->timer)) {
+ LOGMMCTXP(LOGL_INFO, mm, "Cancelling MM timer %u\n", mm->T);
+ osmo_timer_del(&mm->timer);
+ }
+
/* Unlink from global list of MM contexts */
llist_del(&mm->list);