OcBootManagementLib: Fix incorrect handling of optional DataLength pa…

…rameter Introduced by 546aa5b
CrisHotpatch · Oct 14, 2023 · 36b2cea · 36b2cea
1 parent 16f83e5
commit 36b2cea
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Showing 4 changed files with 14 additions and 7 deletions.
diff --git a/Changelog.md b/Changelog.md
@@ -2,6 +2,7 @@ OpenCore Changelog
 ==================
 #### v0.9.6
 - Updated builtin firmware versions for SMBIOS and the rest
+- Fixed hang while generating boot entries on some systems
 
 #### v0.9.5
 - Fixed GUID formatting for legacy NVRAM saving

diff --git a/Include/Acidanthera/Library/OcBootManagementLib.h b/Include/Acidanthera/Library/OcBootManagementLib.h
@@ -2186,7 +2186,7 @@ OcGetBootEntryFileFromDevicePath (
   IN  UINT32                    MaxFileSize,
   IN  UINT32                    MinFileSize,
   OUT VOID                      **FileData,
-  OUT UINT32                    *DataLength,
+  OUT UINT32                    *DataLength OPTIONAL,
   IN  BOOLEAN                   SearchAtLeaf,
   IN  BOOLEAN                   SearchAtRoot
   );
@@ -2218,7 +2218,7 @@ OcGetBootEntryFile (
   IN  UINT32         MaxFileSize,
   IN  UINT32         MinFileSize,
   OUT VOID           **FileData,
-  OUT UINT32         *DataLength,
+  OUT UINT32         *DataLength OPTIONAL,
   IN  BOOLEAN        SearchAtLeaf,
   IN  BOOLEAN        SearchAtRoot
   );

diff --git a/Library/OcBootManagementLib/BootEntryInfo.c b/Library/OcBootManagementLib/BootEntryInfo.c
@@ -401,6 +401,7 @@ OcGetBootEntryLabelImage (
   OUT UINT32             *DataLength
   )
 {
+  ASSERT (DataLength != NULL);
   return OcGetBootEntryFile (
            BootEntry,
            Scale == 2 ? L".disk_label_2x" : L".disk_label",
@@ -423,6 +424,7 @@ OcGetBootEntryIcon (
   OUT UINT32             *DataLength
   )
 {
+  ASSERT (DataLength != NULL);
   return OcGetBootEntryFile (
            BootEntry,
            L".VolumeIcon.icns",
@@ -446,7 +448,7 @@ InternalGetBootEntryFile (
   IN  UINT32                    MaxFileSize,
   IN  UINT32                    MinFileSize,
   OUT VOID                      **FileData,
-  OUT UINT32                    *DataLength,
+  OUT UINT32                    *DataLength OPTIONAL,
   IN  BOOLEAN                   SearchAtLeaf,
   IN  BOOLEAN                   SearchAtRoot
   )
@@ -458,9 +460,12 @@ InternalGetBootEntryFile (
 
   ASSERT (SearchAtLeaf || SearchAtRoot);
   ASSERT (DevicePath != NULL);
+  ASSERT (FileData != NULL);
 
-  *FileData   = NULL;
-  *DataLength = 0;
+  *FileData = NULL;
+  if (DataLength != NULL) {
+    *DataLength = 0;
+  }
 
   Status = OcBootPolicyDevicePathToDirPath (
              DevicePath,
@@ -564,7 +569,7 @@ OcGetBootEntryFileFromDevicePath (
   IN  UINT32                    MaxFileSize,
   IN  UINT32                    MinFileSize,
   OUT VOID                      **FileData,
-  OUT UINT32                    *DataLength,
+  OUT UINT32                    *DataLength OPTIONAL,
   IN  BOOLEAN                   SearchAtLeaf,
   IN  BOOLEAN                   SearchAtRoot
   )
@@ -592,7 +597,7 @@ OcGetBootEntryFile (
   IN  UINT32         MaxFileSize,
   IN  UINT32         MinFileSize,
   OUT VOID           **FileData,
-  OUT UINT32         *DataLength,
+  OUT UINT32         *DataLength OPTIONAL,
   IN  BOOLEAN        SearchAtLeaf,
   IN  BOOLEAN        SearchAtRoot
   )

diff --git a/Library/OcBootManagementLib/BootEntryManagement.c b/Library/OcBootManagementLib/BootEntryManagement.c
@@ -192,6 +192,7 @@ ExpandShortFormBootPath (
 /**
   Check boot entry visibility by device path.
 
+  @param[in]  Context      Picker context.
   @param[in]  DevicePath   Device path of the entry.
 
   @return Entry visibility