pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/libosmo-gprs/+/31732 )
Change subject: rlcmac: Ignore DATA.ind with len=0 ......................................................................
rlcmac: Ignore DATA.ind with len=0
Change-Id: I342c7999261832a5d981e5831e428d2cbd82729e --- M src/rlcmac/rlcmac_prim.c 1 file changed, 17 insertions(+), 1 deletion(-)
git pull ssh://gerrit.osmocom.org:29418/libosmo-gprs refs/changes/32/31732/1
diff --git a/src/rlcmac/rlcmac_prim.c b/src/rlcmac/rlcmac_prim.c index dcf4424..3b5f003 100644 --- a/src/rlcmac/rlcmac_prim.c +++ b/src/rlcmac/rlcmac_prim.c @@ -467,8 +467,15 @@
static int rlcmac_prim_handle_l1ctl_pdch_data_ind(struct osmo_gprs_rlcmac_prim *rlcmac_prim) { - enum gprs_rlcmac_coding_scheme cs = gprs_rlcmac_mcs_get_by_size_dl(rlcmac_prim->l1ctl.pdch_data_ind.data_len); + enum gprs_rlcmac_coding_scheme cs;
+ /* ignore empty DATA.ind */ + if (rlcmac_prim->l1ctl.pdch_data_ind.data_len == 0) { + LOGRLCMAC(LOGL_DEBUG, "Dropping DL data block with length 0\n"); + return 0; + } + + cs = gprs_rlcmac_mcs_get_by_size_dl(rlcmac_prim->l1ctl.pdch_data_ind.data_len); if (cs == GPRS_RLCMAC_CS_UNKNOWN) { LOGRLCMAC(LOGL_ERROR, "Dropping DL data block with invalid length %u: %s\n", rlcmac_prim->l1ctl.pdch_data_ind.data_len,