6.6-stable review patch. If anyone has any objections, please let me know.
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From: Kiran K kiran.k@intel.com
[ Upstream commit d5359a7f583ab9b7706915213b54deac065bcb81 ]
Have exception event part of HCI traces which helps for debug.
snoop traces:
HCI Event: Vendor (0xff) plen 79
Vendor Prefix (0x8780) Intel Extended Telemetry (0x03) Unknown extended telemetry event type (0xde) 01 01 de Unknown extended subevent 0x07 01 01 de 07 01 de 06 1c ef be ad de ef be ad de ef be ad de ef be ad de ef be ad de ef be ad de ef be ad de 05 14 ef be ad de ef be ad de ef be ad de ef be ad de ef be ad de 43 10 ef be ad de ef be ad de ef be ad de ef be ad de
Fixes: af395330abed ("Bluetooth: btintel: Add Intel devcoredump support") Signed-off-by: Kiran K kiran.k@intel.com Signed-off-by: Luiz Augusto von Dentz luiz.von.dentz@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/bluetooth/btintel.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c index a936219aebb81..3773cd9d998d5 100644 --- a/drivers/bluetooth/btintel.c +++ b/drivers/bluetooth/btintel.c @@ -2928,13 +2928,12 @@ static int btintel_diagnostics(struct hci_dev *hdev, struct sk_buff *skb) case INTEL_TLV_TEST_EXCEPTION: /* Generate devcoredump from exception */ if (!hci_devcd_init(hdev, skb->len)) { - hci_devcd_append(hdev, skb); + hci_devcd_append(hdev, skb_clone(skb, GFP_ATOMIC)); hci_devcd_complete(hdev); } else { bt_dev_err(hdev, "Failed to generate devcoredump"); - kfree_skb(skb); } - return 0; + break; default: bt_dev_err(hdev, "Invalid exception type %02X", tlv->val[0]); }