]> xenbits.xensource.com Git - people/royger/freebsd.git/commitdiff
libefivar: Reverse the byte order of BD_ADDR for Bluetooth
authorJose Luis Duran <jlduran@gmail.com>
Thu, 24 Feb 2022 00:03:10 +0000 (21:03 -0300)
committerWarner Losh <imp@FreeBSD.org>
Sun, 27 Feb 2022 16:12:21 +0000 (09:12 -0700)
For the following two functions:
DevPathFromTextBluetooth()
DevPathToTextBluetooth()

The Bluetooth device address "UINT8  Address[6]" is displayed with the
order from Address[5] to Address[0]. This commit reverses the order.

Obtained from: https://github.com/tianocore/edk2/commit/4fc8277133fb011d028b4e0a42444ab6f552d0b9
Pull Request:   https://github.com/freebsd/freebsd-src/pull/581

lib/libefivar/efivar-dp-format.c
lib/libefivar/efivar-dp-parse.c

index 14f6adc2fd98b72d4c99bdb60e377e1269628ec2..eaff7754019cbcf3e021c9b7d0a13a172b7ebdc1 100644 (file)
@@ -66,7 +66,7 @@ __FBSDID("$FreeBSD$");
   DevicePathToText protocol as defined in the UEFI 2.0 specification.
 
   (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
-Copyright (c) 2013 - 2015, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2013 - 2017, Intel Corporation. All rights reserved.<BR>
 This program and the accompanying materials
 are licensed and made available under the terms and conditions of the BSD License
 which accompanies this distribution.  The full text of the license may be found at
@@ -1680,12 +1680,12 @@ DevPathToTextBluetooth (
   UefiDevicePathLibCatPrint (
     Str,
     "Bluetooth(%02x%02x%02x%02x%02x%02x)",
-    Bluetooth->BD_ADDR.Address[5],
-    Bluetooth->BD_ADDR.Address[4],
-    Bluetooth->BD_ADDR.Address[3],
-    Bluetooth->BD_ADDR.Address[2],
+    Bluetooth->BD_ADDR.Address[0],
     Bluetooth->BD_ADDR.Address[1],
-    Bluetooth->BD_ADDR.Address[0]
+    Bluetooth->BD_ADDR.Address[2],
+    Bluetooth->BD_ADDR.Address[3],
+    Bluetooth->BD_ADDR.Address[4],
+    Bluetooth->BD_ADDR.Address[5]
     );
 }
 
index 02c32971f4c6e73a659f64cfb0147d1b75606865..ea78d5a1f93057d15c6d2e3734774dbff8172e22 100644 (file)
@@ -2781,35 +2781,20 @@ DevPathFromTextBluetooth (
   )
 {
   CHAR16                  *BluetoothStr;
-  CHAR16                  *Walker;
-  CHAR16                  *TempNumBuffer;
-  UINTN                   TempBufferSize;
-  INT32                   Index;
   BLUETOOTH_DEVICE_PATH   *BluetoothDp;
 
   BluetoothStr = GetNextParamStr (&TextDeviceNode);
-  BluetoothDp = (BLUETOOTH_DEVICE_PATH *) CreateDeviceNode (
-                                   MESSAGING_DEVICE_PATH,
-                                   MSG_BLUETOOTH_DP,
-                                   (UINT16) sizeof (BLUETOOTH_DEVICE_PATH)
-                                   );
-
-  Index = sizeof (BLUETOOTH_ADDRESS) - 1;
-  Walker = BluetoothStr;
-  while (!IS_NULL(*Walker) && Index >= 0) {
-    TempBufferSize = 2 * sizeof(CHAR16) + StrSize("0x");
-    TempNumBuffer = AllocateZeroPool (TempBufferSize);
-    if (TempNumBuffer == NULL) {
-      break;
-    }
-    StrCpyS (TempNumBuffer, TempBufferSize / sizeof (CHAR16), "0x");
-    StrnCatS (TempNumBuffer, TempBufferSize / sizeof (CHAR16), Walker, 2);
-    BluetoothDp->BD_ADDR.Address[Index] = (UINT8)Strtoi (TempNumBuffer);
-    FreePool (TempNumBuffer);
-    Walker += 2;
-    Index--;
-  }
-
+  BluetoothDp  = (BLUETOOTH_DEVICE_PATH *) CreateDeviceNode (
+                                             MESSAGING_DEVICE_PATH,
+                                             MSG_BLUETOOTH_DP,
+                                             (UINT16) sizeof (BLUETOOTH_DEVICE_PATH)
+                                             );
+  StrHexToBytes (
+    BluetoothStr,
+    sizeof (BLUETOOTH_ADDRESS) * 2,
+    BluetoothDp->BD_ADDR.Address,
+    sizeof (BLUETOOTH_ADDRESS)
+    );
   return (EFI_DEVICE_PATH_PROTOCOL *) BluetoothDp;
 }