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MdeModulePkg/DxeCorePerformanceLib: Switch to UnicodeStrnToAsciiStrS 

UnicodeStrToAsciiStrS requires that the source string is shorter than
the destination buffer and will ASSERT if this is not true. Switch to
UnicodeStrnToAsciiStrS as there are cases where the source string is
longer than the buffer allocated for the device path.

Signed-off-by: Jeff Brasen <jbrasen@nvidia.com>
Reviewed-by: Dandan Bi <dandan.bi@intel.com>
This commit is contained in:
Jeff Brasen 2020-06-23 02:20:16 +08:00 committed by mergify[bot]
parent 02539e9008
commit 9132a31b9c
1 changed files with 2 additions and 2 deletions
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4
MdeModulePkg/Library/DxeCorePerformanceLib/DxeCorePerformanceLib.c
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@ -837,7 +837,7 @@ GetDeviceInfoFromHandleAndUpdateLength (
ControllerNameStringSize = FPDT_MAX_PERF_RECORD_SIZE - (*Length) - 1;
}
UnicodeStrToAsciiStrS(StringPtr, ComponentNameString, ControllerNameStringSize);
UnicodeStrnToAsciiStrS(StringPtr, ControllerNameStringSize - 1, ComponentNameString, ControllerNameStringSize, &ControllerNameStringSize);
//
// Add a space in the end of the ControllerName
@ -879,7 +879,7 @@ GetDeviceInfoFromHandleAndUpdateLength (
AsciiStringPtr = ComponentNameString;
}
UnicodeStrToAsciiStrS(StringPtr, AsciiStringPtr, DevicePathStringSize);
UnicodeStrnToAsciiStrS(StringPtr, DevicePathStringSize - 1, AsciiStringPtr, DevicePathStringSize, &DevicePathStringSize);
*Length += (UINT8)DevicePathStringSize;
return EFI_SUCCESS;
}