X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=EmbeddedPkg%2FUniversal%2FMmcDxe%2FDiagnostics.c;h=7d6a5a0dde01cf890a86773d3fbafb198f5508ff;hp=783e548d2aed6afec644b813ffcf7485dc5d982b;hb=4b335e4b7619eb12240de84cd256e5d0c3d6c84c;hpb=e2dede1bc41acdc3e921144e12f471def562d45f

diff --git a/EmbeddedPkg/Universal/MmcDxe/Diagnostics.c b/EmbeddedPkg/Universal/MmcDxe/Diagnostics.c
index 783e548d2a..7d6a5a0dde 100644
--- a/EmbeddedPkg/Universal/MmcDxe/Diagnostics.c
+++ b/EmbeddedPkg/Universal/MmcDxe/Diagnostics.c
@@ -42,9 +42,9 @@ DiagnosticLog (
   )
 {
   UINTN len = StrLen (Str);
-  if (len <= mLogRemainChar) {
+  if (len < mLogRemainChar) {
+    StrCpyS (mLogBuffer, mLogRemainChar, Str);
     mLogRemainChar -= len;
-    StrCpy (mLogBuffer, Str);
     mLogBuffer += len;
     return len;
   } else {