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Diffstat (limited to 'MdeModulePkg/Universal/StatusCodeHandler/Smm/SerialStatusCodeWorker.c')
-rw-r--r--MdeModulePkg/Universal/StatusCodeHandler/Smm/SerialStatusCodeWorker.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/StatusCodeHandler/Smm/SerialStatusCodeWorker.c b/MdeModulePkg/Universal/StatusCodeHandler/Smm/SerialStatusCodeWorker.c
index 27a243be06..868ffad7a3 100644
--- a/MdeModulePkg/Universal/StatusCodeHandler/Smm/SerialStatusCodeWorker.c
+++ b/MdeModulePkg/Universal/StatusCodeHandler/Smm/SerialStatusCodeWorker.c
@@ -90,6 +90,7 @@ SerialStatusCodeReportWorker (
Value,
Instance
);
+ ASSERT (CharCount > 0);
if (CallerId != NULL) {
CharCount += AsciiSPrint (