diff options
Diffstat (limited to 'src/gprs/gprs_sndcp.c')
| -rw-r--r-- | src/gprs/gprs_sndcp.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/gprs/gprs_sndcp.c b/src/gprs/gprs_sndcp.c index 23d1e9a22..d9aa1e576 100644 --- a/src/gprs/gprs_sndcp.c +++ b/src/gprs/gprs_sndcp.c @@ -1120,6 +1120,14 @@ int sndcp_sn_xid_ind(struct gprs_llc_xid_field *xid_field_indication, OSMO_ASSERT(xid_field_response); OSMO_ASSERT(lle); + /* Some phones send zero byte length SNDCP frames + * and do require a confirmation response. */ + if (xid_field_indication->data_len == 0) { + xid_field_response->type = GPRS_LLC_XID_T_L3_PAR; + xid_field_response->data_len = 0; + return 0; + } + /* Parse SNDCP-CID XID-Field */ comp_fields = gprs_sndcp_parse_xid(&version, lle->llme, xid_field_indication->data, |