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-rw-r--r--src/gprs_bssgp_pcu.cpp3
-rw-r--r--src/gprs_rlcmac.cpp2
2 files changed, 4 insertions, 1 deletions
diff --git a/src/gprs_bssgp_pcu.cpp b/src/gprs_bssgp_pcu.cpp
index d4a65574..c4d27e85 100644
--- a/src/gprs_bssgp_pcu.cpp
+++ b/src/gprs_bssgp_pcu.cpp
@@ -235,6 +235,9 @@ int gprs_bssgp_pcu_rx_ptp(struct msgb *msg, struct tlv_parsed *tp, struct bssgp_
uint8_t pdu_type = bgph->pdu_type;
unsigned rc = 0;
+ if (!bctx)
+ return -EINVAL;
+
/* If traffic is received on a BVC that is marked as blocked, the
* received PDU shall not be accepted and a STATUS PDU (Cause value:
* BVC Blocked) shall be sent to the peer entity on the signalling BVC */
diff --git a/src/gprs_rlcmac.cpp b/src/gprs_rlcmac.cpp
index c9279c5e..a827d363 100644
--- a/src/gprs_rlcmac.cpp
+++ b/src/gprs_rlcmac.cpp
@@ -370,7 +370,7 @@ int alloc_algorithm_b(struct gprs_rlcmac_tbf *old_tbf,
uint8_t tx_win_min, tx_win_max, tx_range;
uint8_t rx_window = 0, tx_window = 0;
const char *digit[10] = { "0","1","2","3","4","5","6","7","8","9" };
- uint8_t usf[8];
+ int8_t usf[8] = { -1, -1, -1, -1, -1, -1, -1, -1 }; /* must be signed */
int8_t tsc = -1; /* must be signed */
uint8_t i, ts;