diff options
Diffstat (limited to 'ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Slit/SlitParser.c')
-rw-r--r-- | ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Slit/SlitParser.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Slit/SlitParser.c b/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Slit/SlitParser.c index ca2808db52..17e2166a09 100644 --- a/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Slit/SlitParser.c +++ b/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Slit/SlitParser.c @@ -1,7 +1,7 @@ /** @file
SLIT table parser
- Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.
+ Copyright (c) 2016 - 2019, ARM Limited. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
@par Reference(s):
@@ -75,9 +75,21 @@ ParseAcpiSlit ( AcpiTableLength,
PARSER_PARAMS (SlitParser)
);
- LocalityPtr = Ptr + Offset;
+ // Check if the values used to control the parsing logic have been
+ // successfully read.
+ if (SlitSystemLocalityCount == NULL) {
+ IncrementErrorCount ();
+ Print (
+ L"ERROR: Insufficient table length. AcpiTableLength = %d.\n",
+ AcpiTableLength
+ );
+ return;
+ }
+
+ LocalityPtr = Ptr + Offset;
LocalityCount = *SlitSystemLocalityCount;
+
// We only print the Localities if the count is less than 16
// If the locality count is more than 16 then refer to the
// raw data dump.
|