From 3b6b1105cf31a3547d6157e912d72ec9ddc69a4b Mon Sep 17 00:00:00 2001
From: Laszlo Ersek <lersek@redhat.com>
Date: Thu, 21 Jan 2016 18:40:13 +0000
Subject: [PATCH] ShellPkg: BcfgDisplayDump(): address FilePathListLength by
name
The Buffer variable points at the beginning of an EFI_LOAD_OPTION
structure. We might as well address the "FilePathListLength" member by
name, rather than with *(UINT16*)(Buffer+4).
This patch is not supposed to change behavior.
Cc: Jaben Carsey <jaben.carsey@intel.com>
Cc: Ryan Harkin <ryan.harkin@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19711 6f19259b-4bc3-4df7-8a09-765794883524
---
.../UefiShellBcfgCommandLib/UefiShellBcfgCommandLib.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/ShellPkg/Library/UefiShellBcfgCommandLib/UefiShellBcfgCommandLib.c b/ShellPkg/Library/UefiShellBcfgCommandLib/UefiShellBcfgCommandLib.c
index 9955c9e640..b08aac1bd8 100644
--- a/ShellPkg/Library/UefiShellBcfgCommandLib/UefiShellBcfgCommandLib.c
+++ b/ShellPkg/Library/UefiShellBcfgCommandLib/UefiShellBcfgCommandLib.c
@@ -1108,11 +1108,12 @@ BcfgDisplayDump(
++Errors;
goto Cleanup;
}
+ LoadOption = (EFI_LOAD_OPTION *)Buffer;
- if ((*(UINT16*)(Buffer+4)) != 0) {
- DevPath = AllocateZeroPool(*(UINT16*)(Buffer+4));
+ if (LoadOption->FilePathListLength != 0) {
+ DevPath = AllocateZeroPool(LoadOption->FilePathListLength);
if (DevPath != NULL) {
- CopyMem(DevPath, Buffer+6+StrSize((CHAR16*)(Buffer+6)), *(UINT16*)(Buffer+4));
+ CopyMem(DevPath, Buffer+6+StrSize((CHAR16*)(Buffer+6)), LoadOption->FilePathListLength);
DevPathString = ConvertDevicePathToText(DevPath, TRUE, FALSE);
}
}
@@ -1126,9 +1127,9 @@ BcfgDisplayDump(
VariableName,
(CHAR16*)(Buffer+6),
DevPathString,
- (StrSize((CHAR16*)(Buffer+6)) + *(UINT16*)(Buffer+4) + 6) <= BufferSize?L'N':L'Y');
+ (StrSize((CHAR16*)(Buffer+6)) + LoadOption->FilePathListLength + 6) <= BufferSize?L'N':L'Y');
if (VerboseOutput) {
- for (LoopVar2 = (StrSize((CHAR16*)(Buffer+6)) + *(UINT16*)(Buffer+4) + 6);LoopVar2<BufferSize;LoopVar2++){
+ for (LoopVar2 = (StrSize((CHAR16*)(Buffer+6)) + LoadOption->FilePathListLength + 6);LoopVar2<BufferSize;LoopVar2++){
ShellPrintEx(
-1,
-1,