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-rw-r--r--UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c b/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c
index f5100fa9ad..7575dbfd0d 100644
--- a/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c
+++ b/UefiCpuPkg/Universal/Acpi/S3Resume2Pei/S3Resume.c
@@ -367,6 +367,7 @@ WriteToOsS3PerformanceData (
AsciiSPrint (PerfData->Token, PERF_TOKEN_LENGTH, "0x%11p", Handle);
} else {
AsciiStrnCpy (PerfData->Token, Token, PERF_TOKEN_LENGTH);
+ PerfData->Token[PERF_TOKEN_LENGTH] = '\0';
}
if (StartTicker == 1) {
StartTicker = StartValue;