net: bt: Don't wait for buffer indefinatelly

Vudentz · Vudentz · commit 4dabce33dfd3 · 2019-12-12T08:49:34.000-08:00
This can actually block system critical threads like the syswq.

Signed-off-by: Luiz Augusto von Dentz &lt;luiz.von.dentz@intel.com&gt;
diff --git a/subsys/net/l2/bluetooth/bluetooth.c b/subsys/net/l2/bluetooth/bluetooth.c
@@ -252,7 +252,7 @@ static struct net_buf *ipsp_alloc_buf(struct bt_l2cap_chan *chan)
 {
 	NET_DBG("Channel %p requires buffer", chan);
 
-	return net_pkt_get_reserve_rx_data(K_FOREVER);
+	return net_pkt_get_reserve_rx_data(BUF_TIMEOUT);
 }
 
 static struct bt_l2cap_chan_ops ipsp_ops = {

Original file line number	Diff line number	Diff line change
`@@ -252,7 +252,7 @@ static struct net_buf ipsp_alloc_buf(struct bt_l2cap_chan chan)`
`252`	`252`	`{`
`253`	`253`	`NET_DBG("Channel %p requires buffer", chan);`
`254`	`254`
`255`		`- return net_pkt_get_reserve_rx_data(K_FOREVER);`
	`255`	`+ return net_pkt_get_reserve_rx_data(BUF_TIMEOUT);`
`256`	`256`	`}`
`257`	`257`
`258`	`258`	`static struct bt_l2cap_chan_ops ipsp_ops = {`