diff options
Diffstat (limited to 'src/shared/libosmocore/src/gsm/lapd_core.c')
| -rw-r--r-- | src/shared/libosmocore/src/gsm/lapd_core.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/shared/libosmocore/src/gsm/lapd_core.c b/src/shared/libosmocore/src/gsm/lapd_core.c index b1b5a1ba..fb79a2f0 100644 --- a/src/shared/libosmocore/src/gsm/lapd_core.c +++ b/src/shared/libosmocore/src/gsm/lapd_core.c @@ -1731,7 +1731,15 @@ static int lapd_data_req(struct osmo_dlsap_prim *dp, struct lapd_msg_ctx *lctx) struct lapd_datalink *dl = lctx->dl; struct msgb *msg = dp->oph.msg; - LOGP(DLLAPD, LOGL_INFO, "writing message to send-queue\n"); + if (msgb_l3len(msg) == 0) { + LOGP(DLLAPD, LOGL_ERROR, + "writing an empty message is not possible.\n"); + msgb_free(msg); + return -1; + } + + LOGP(DLLAPD, LOGL_INFO, + "writing message to send-queue: l3len: %d\n", msgb_l3len(msg)); /* Write data into the send queue */ msgb_enqueue(&dl->send_queue, msg); |