openwrt/target/linux/brcm2708/patches-4.4/0153-hci_h5-Don-t-send-conf_req-when-ACTIVE.patch
Álvaro Fernández Rojas a8d4d71c41 brcm2708: update to latest version
As usual these patches were extracted from the raspberry pi repo:
https://github.com/raspberrypi/linux/commits/rpi-4.4.y

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2016-04-07 21:25:10 +02:00

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Diff

From 85dc4378167d99218df01bb0512a4def9710a0a5 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Thu, 17 Dec 2015 13:37:07 +0000
Subject: [PATCH 153/232] hci_h5: Don't send conf_req when ACTIVE
Without this patch, a modem and kernel can continuously bombard each
other with conf_req and conf_rsp messages, in a demented game of tag.
---
drivers/bluetooth/hci_h5.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/bluetooth/hci_h5.c
+++ b/drivers/bluetooth/hci_h5.c
@@ -314,7 +314,8 @@ static void h5_handle_internal_rx(struct
h5_link_control(hu, conf_req, 3);
} else if (memcmp(data, conf_req, 2) == 0) {
h5_link_control(hu, conf_rsp, 2);
- h5_link_control(hu, conf_req, 3);
+ if (h5->state != H5_ACTIVE)
+ h5_link_control(hu, conf_req, 3);
} else if (memcmp(data, conf_rsp, 2) == 0) {
if (H5_HDR_LEN(hdr) > 2)
h5->tx_win = (data[2] & 7);