lapdm: Update public lapdm_msg_ctx upon CCCH data ind
This allows uses accessing the updated fields such as fn from the l3_cb
when receiving a msg from CCCH, eg: "le->datalink[DL_SAPI0].mctx.fn;"
Related: OS#3626
Change-Id: Icabc3759c47b0f7cfe61f1b7a96f08f36714262e
diff --git a/src/gsm/lapdm.c b/src/gsm/lapdm.c
index e96e218..9f795c6 100644
--- a/src/gsm/lapdm.c
+++ b/src/gsm/lapdm.c
@@ -857,6 +857,8 @@
case LAPDm_FMT_Bter:
/* fall-through */
case LAPDm_FMT_Bbis:
+ /* Update context so that users can read fields like fn: */
+ memcpy(&mctx.dl->mctx, &mctx, sizeof(mctx.dl->mctx));
/* directly pass up to layer3 */
msg->l3h = msg->l2h;
msgb_pull_to_l3(msg);