aboutsummaryrefslogtreecommitdiff
path: root/net/bluetooth/l2cap_core.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/bluetooth/l2cap_core.c')
-rw-r--r--net/bluetooth/l2cap_core.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 26dc3f6a834..9bc22e4c4c6 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -2372,7 +2372,7 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi
void *ptr = req->data;
int type, olen;
unsigned long val;
- struct l2cap_conf_rfc rfc;
+ struct l2cap_conf_rfc rfc = { .mode = L2CAP_MODE_BASIC };
struct l2cap_conf_efs efs;
BT_DBG("chan %p, rsp %p, len %d, req %p", chan, rsp, len, data);
@@ -2522,6 +2522,16 @@ static void l2cap_conf_rfc_get(struct l2cap_chan *chan, void *rsp, int len)
}
}
+ /* Use sane default values in case a misbehaving remote device
+ * did not send an RFC option.
+ */
+ rfc.mode = chan->mode;
+ rfc.retrans_timeout = cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO);
+ rfc.monitor_timeout = cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO);
+ rfc.max_pdu_size = cpu_to_le16(chan->imtu);
+
+ BT_ERR("Expected RFC option was not found, using defaults");
+
done:
switch (rfc.mode) {
case L2CAP_MODE_ERTM: