[S] Change in libosmocore[master]: LAPDM: Use correct offset to short header on recevied frame

[jolly]

jolly has uploaded this change for review. ( 
https://gerrit.osmocom.org/c/libosmocore/+/34362?usp=email )


Change subject: LAPDM: Use correct offset to short header on recevied frame
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LAPDM: Use correct offset to short header on recevied frame

The offset of the short header on main DCCH is 0, not 2.

Change-Id: I8345776768fdf2a700b2ca1d117f9ef4b15777cc
---
M src/gsm/lapdm.c
1 file changed, 12 insertions(+), 1 deletion(-)



  git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/62/34362/1

diff --git a/src/gsm/lapdm.c b/src/gsm/lapdm.c
index 9f795c6..86dc242 100644
--- a/src/gsm/lapdm.c
+++ b/src/gsm/lapdm.c
@@ -754,7 +754,7 @@
                        msg->l2h += 2;
                } else {
                        /* A Short L3 header has both bits == 0. */
-                       if (LAPDm_ADDR_SHORT_L2(msg->l2h[2]) == 0) {
+                       if (LAPDm_ADDR_SHORT_L2(msg->l2h[0]) == 0) {
                                mctx.lapdm_fmt = LAPDm_FMT_Bter;
                                n201 = N201_Bter_SDCCH;
                                sapi = 0;

--
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: I8345776768fdf2a700b2ca1d117f9ef4b15777cc
Gerrit-Change-Number: 34362
Gerrit-PatchSet: 1
Gerrit-Owner: jolly <andr...@eversberg.eu>
Gerrit-MessageType: newchange