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Merge pull request #2035 from simonduq/pr/csma-fix

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CSMA bugfix: do not use field on a struct that may have been deallocated
This commit is contained in:
Nicolas Tsiftes 2017-01-09 08:45:49 +01:00 committed by GitHub
parent 53efcec1fa 0de3563ddb
commit 1537488e74
1 changed files with 3 additions and 1 deletions
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4
core/net/mac/csma.c
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@ -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