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Date: Mon,  8 Jan 2024 23:46:07 +0100
From: Jonas Dreßler <verdre@...d.nl>
To: Marcel Holtmann <marcel@...tmann.org>,
	Johan Hedberg <johan.hedberg@...il.com>,
	Luiz Augusto von Dentz <luiz.dentz@...il.com>
Cc: Jonas Dreßler <verdre@...d.nl>,
	linux-bluetooth@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: [PATCH v3 2/4] Bluetooth: hci_event: Use HCI error defines instead of magic values

We have error defines already, so let's use them.

Signed-off-by: Jonas Dreßler <verdre@...d.nl>
---
 include/net/bluetooth/hci.h | 2 ++
 net/bluetooth/hci_event.c   | 8 ++++----
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 87d92accc..63f84e185 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -652,6 +652,7 @@ enum {
 #define HCI_ERROR_PIN_OR_KEY_MISSING	0x06
 #define HCI_ERROR_MEMORY_EXCEEDED	0x07
 #define HCI_ERROR_CONNECTION_TIMEOUT	0x08
+#define HCI_ERROR_COMMAND_DISALLOWED	0x0c
 #define HCI_ERROR_REJ_LIMITED_RESOURCES	0x0d
 #define HCI_ERROR_REJ_BAD_ADDR		0x0f
 #define HCI_ERROR_INVALID_PARAMETERS	0x12
@@ -660,6 +661,7 @@ enum {
 #define HCI_ERROR_REMOTE_POWER_OFF	0x15
 #define HCI_ERROR_LOCAL_HOST_TERM	0x16
 #define HCI_ERROR_PAIRING_NOT_ALLOWED	0x18
+#define HCI_ERROR_UNSUPPORTED_REMOTE_FEATURE	0x1e
 #define HCI_ERROR_INVALID_LL_PARAMS	0x1e
 #define HCI_ERROR_UNSPECIFIED		0x1f
 #define HCI_ERROR_ADVERTISING_TIMEOUT	0x3c
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 9423394f6..dcbba1521 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -95,11 +95,11 @@ static u8 hci_cc_inquiry_cancel(struct hci_dev *hdev, void *data,
 	/* It is possible that we receive Inquiry Complete event right
 	 * before we receive Inquiry Cancel Command Complete event, in
 	 * which case the latter event should have status of Command
-	 * Disallowed (0x0c). This should not be treated as error, since
+	 * Disallowed. This should not be treated as error, since
 	 * we actually achieve what Inquiry Cancel wants to achieve,
 	 * which is to end the last Inquiry session.
 	 */
-	if (rp->status == 0x0c && !test_bit(HCI_INQUIRY, &hdev->flags)) {
+	if (rp->status == HCI_ERROR_COMMAND_DISALLOWED && !test_bit(HCI_INQUIRY, &hdev->flags)) {
 		bt_dev_warn(hdev, "Ignoring error of Inquiry Cancel command");
 		rp->status = 0x00;
 	}
@@ -2326,7 +2326,7 @@ static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
 
 	if (status) {
 		if (conn && conn->state == BT_CONNECT) {
-			if (status != 0x0c || conn->attempt > 2) {
+			if (status != HCI_ERROR_COMMAND_DISALLOWED || conn->attempt > 2) {
 				conn->state = BT_CLOSED;
 				hci_connect_cfm(conn, status);
 				hci_conn_del(conn);
@@ -6682,7 +6682,7 @@ static void hci_le_remote_feat_complete_evt(struct hci_dev *hdev, void *data,
 			 * transition into connected state and mark it as
 			 * successful.
 			 */
-			if (!conn->out && ev->status == 0x1a &&
+			if (!conn->out && ev->status == HCI_ERROR_UNSUPPORTED_REMOTE_FEATURE &&
 			    (hdev->le_features[0] & HCI_LE_PERIPHERAL_FEATURES))
 				status = 0x00;
 			else
-- 
2.43.0


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