Changeset 90126 in vbox for trunk/src/VBox/Runtime/common

Timestamp:

Jul 9, 2021 2:15:18 PM (4 years ago)

Author:

vboxsync

Message:

Runtime/evivarstorevfs.cpp: Allow overwriting variable data (no variable deletion and creation yet), bugref:9580 [build fix]

File:

• trunk/src/VBox/Runtime/common/efi/efivarstorevfs.cpp (modified) (4 diffs)

trunk/src/VBox/Runtime/common/efi/efivarstorevfs.cpp

@@ -715 +715 @@
         return VINF_SUCCESS;
 
+    if ((uint32_t)cbData != cbData)
+        return VERR_FILE_TOO_BIG;
+
     int rc = VINF_SUCCESS;
     if (cbData < pVar->cbData)
@@ -724 +727 @@
             pVar->pvData = pvNew;
             pVarStore->cbVarData -= pVar->cbData - cbData;
-            pVar->cbData = cbData;
+            pVar->cbData = (uint32_t)cbData;
         }
         else
@@ -739 +742 @@
                 pVar->pvData = pvNew;
                 pVarStore->cbVarData += cbData - pVar->cbData;
-                pVar->cbData          = cbData;
+                pVar->cbData          = (uint32_t)cbData;
             }
             else
@@ -1069 +1072 @@
 {
     RT_NOREF(pvThis);
-    *pcbMax = INT64_MAX; /** @todo */
+    *pcbMax = UINT32_MAX;
     return VINF_SUCCESS;
 }