diff options
-rw-r--r-- | pjsip/src/pjsip/sip_transport.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/pjsip/src/pjsip/sip_transport.c b/pjsip/src/pjsip/sip_transport.c index fffc5cf3..d672a6de 100644 --- a/pjsip/src/pjsip/sip_transport.c +++ b/pjsip/src/pjsip/sip_transport.c @@ -491,8 +491,13 @@ static void tx_data_destroy(pjsip_tx_data *tdata) */ PJ_DEF(pj_status_t) pjsip_tx_data_dec_ref( pjsip_tx_data *tdata ) { - pj_assert( pj_atomic_get(tdata->ref_cnt) > 0); - if (pj_atomic_dec_and_get(tdata->ref_cnt) <= 0) { + pj_atomic_value_t ref_cnt; + + PJ_ASSERT_RETURN(tdata && tdata->ref_cnt, PJ_EINVAL); + + ref_cnt = pj_atomic_dec_and_get(tdata->ref_cnt); + pj_assert( ref_cnt >= 0); + if (ref_cnt == 0) { tx_data_destroy(tdata); return PJSIP_EBUFDESTROYED; } else { |