CSMA bugfix: do not use field on a struct that may have been deallocated
@@ -231,10 +231,12 @@ tx_done(int status, struct rdc_buf_list *q, struct neighbor_queue *n)
mac_callback_t sent;
struct qbuf_metadata *metadata;
void *cptr;
+ uint8_t ntx;
metadata = (struct qbuf_metadata *)q->ptr;
sent = metadata->sent;
cptr = metadata->cptr;
+ ntx = n->transmissions;
switch(status) {
case MAC_TX_OK:
@@ -251,7 +253,7 @@ tx_done(int status, struct rdc_buf_list *q, struct neighbor_queue *n)
}
free_packet(n, q, status);
- mac_call_sent_callback(sent, cptr, status, n->transmissions);
+ mac_call_sent_callback(sent, cptr, status, ntx);
}
/*---------------------------------------------------------------------------*/
static void
