openwrt/target/linux/bcm27xx/patches-5.15/950-0088-hci_h5-Don-t-send-conf_req-when-ACTIVE.patch
Álvaro Fernández Rojas 20ea6adbf1 bcm27xx: add support for linux v5.15
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2022-05-17 15:11:22 +02:00

24 lines
903 B
Diff

From ca209b265fd1f58052aae0c7db57557f84f0377e Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Thu, 17 Dec 2015 13:37:07 +0000
Subject: [PATCH] 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
@@ -357,7 +357,8 @@ 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] & 0x07);