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cwc: fix potential leak spotted by EricV, and also bad var init

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This commit is contained in:
Adam Sutton 2014-04-21 19:51:39 +01:00
parent c7388f7e9e
commit 54b7f9ca44
1 changed files with 6 additions and 2 deletions
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8
src/descrambler/cwc.c
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@ -463,10 +463,14 @@ cwc_send_msg(cwc_t *cwc, const uint8_t *msg, size_t len, int sid, int enq, uint1
{
cwc_message_t *cm = malloc(sizeof(cwc_message_t));
uint8_t *buf = cm->cm_data;
int seq;
if (len < 3 || len + 12 > CWS_NETMSGSIZE) return -1;
if (len < 3 || len + 12 > CWS_NETMSGSIZE) {
free(cm);
return -1;
}
int seq = atomic_add(&cwc->cwc_seq, 1);
seq = atomic_add(&cwc->cwc_seq, 1);
buf[0] = buf[1] = 0;
buf[2] = (seq >> 8) & 0xff;