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-rw-r--r--src/libmsc/gsm_04_11.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/libmsc/gsm_04_11.c b/src/libmsc/gsm_04_11.c
index 71069dc56..85b861cfb 100644
--- a/src/libmsc/gsm_04_11.c
+++ b/src/libmsc/gsm_04_11.c
@@ -526,8 +526,12 @@ static int gsm340_rx_tpdu(struct gsm_trans *trans, struct msgb *msg,
gsms->dst.ton = (address_lv[1] >> 4) & 7;
gsms->dst.npi = address_lv[1] & 0xF;
/* convert to real number */
- gsm48_decode_bcd_number(gsms->dst.addr,
- sizeof(gsms->dst.addr), address_lv, 1);
+ if (gsm48_decode_bcd_number2(gsms->dst.addr,
+ sizeof(gsms->dst.addr), address_lv, da_len_bytes, 1)) {
+ LOG_TRANS(trans, LOGL_ERROR, "Failed to decode destination Address\n");
+ rc = GSM411_RP_CAUSE_SEMANT_INC_MSG;
+ goto out;
+ }
smsp += da_len_bytes;
gsms->protocol_id = *smsp++;