[lapdm] Fixed layer 2 header for B4 frames. Now SI5/6 are received correctly

diff --git a/src/host/layer23/src/lapdm.c b/src/host/layer23/src/lapdm.c
index fea63c1..eff7aab 100644 (file)
--- a/src/host/layer23/src/lapdm.c
+++ b/src/host/layer23/src/lapdm.c
@@ -1502,6 +1502,7 @@ int l2_ph_data_ind(struct msgb *msg, struct lapdm_entity *le, struct l1ctl_info_
                        LOGP(DLAPDM, LOGL_INFO, "fmt=B4\n");
                        /* SACCH frames have a two-byte L1 header that
                         * OsmocomBB L1 doesn't strip */
+                       msgb_pull(msg, 2);
                        msg->l2h += 2;
                } else {
                        mctx.lapdm_fmt = LAPDm_FMT_B;