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rfcomm: avoid null-pointer dereference for invalid rfcomm_cid

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This commit is contained in:
Matthias Ringwald 2016-07-05 11:07:09 +02:00
parent 5ca1628e7e
commit 70c2750807
1 changed files with 3 additions and 5 deletions
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8
src/classic/rfcomm.c
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@ -2260,11 +2260,9 @@ uint8_t rfcomm_create_channel(btstack_packet_handler_t packet_handler, bd_addr_t
void rfcomm_disconnect(uint16_t rfcomm_cid){
log_info("RFCOMM_DISCONNECT cid 0x%02x", rfcomm_cid);
rfcomm_channel_t * channel = rfcomm_channel_for_rfcomm_cid(rfcomm_cid);
if (channel) {
channel->state = RFCOMM_CHANNEL_SEND_DISC;
}
// process
if (!channel) return;
channel->state = RFCOMM_CHANNEL_SEND_DISC;
l2cap_request_can_send_now_event(channel->multiplexer->l2cap_cid);
}