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l2cap: handle l2cap local cid overrun, assert local cid is unique

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This commit is contained in:
Milanka Ringwald 2019-09-02 11:52:01 +02:00
parent 6ddef68dd2
commit 6268fbfe8d
1 changed files with 8 additions and 1 deletions
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9
src/l2cap.c
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@ -752,7 +752,14 @@ static void l2cap_ertm_handle_in_sequence_sdu(l2cap_channel_t * l2cap_channel, l
#endif #endif
static uint16_t l2cap_next_local_cid(void){ static uint16_t l2cap_next_local_cid(void){
return local_source_cid++; do {
if (local_source_cid == 0xffff) {
local_source_cid = 0x40;
} else {
local_source_cid++;
}
} while (l2cap_get_channel_for_local_cid(local_source_cid) != NULL);
return local_source_cid;
} }
static uint8_t l2cap_next_sig_id(void){ static uint8_t l2cap_next_sig_id(void){