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Diffstat (limited to 'MdeModulePkg/Universal/HiiDatabaseDxe/String.c')
-rw-r--r--MdeModulePkg/Universal/HiiDatabaseDxe/String.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/MdeModulePkg/Universal/HiiDatabaseDxe/String.c b/MdeModulePkg/Universal/HiiDatabaseDxe/String.c
index 321b2f7040..81969e040e 100644
--- a/MdeModulePkg/Universal/HiiDatabaseDxe/String.c
+++ b/MdeModulePkg/Universal/HiiDatabaseDxe/String.c
@@ -339,6 +339,7 @@ FindStringBlock (
for (Index = 0; Index < StringCount; Index++) {
BlockSize += AsciiStrSize ((CHAR8 *) StringTextPtr);
if (CurrentStringId == StringId) {
+ ASSERT (BlockType != NULL && StringBlockAddr != NULL && StringTextOffset != NULL);
*BlockType = *BlockHdr;
*StringBlockAddr = BlockHdr;
*StringTextOffset = StringTextPtr - BlockHdr;
@@ -361,6 +362,7 @@ FindStringBlock (
for (Index = 0; Index < StringCount; Index++) {
BlockSize += AsciiStrSize ((CHAR8 *) StringTextPtr);
if (CurrentStringId == StringId) {
+ ASSERT (BlockType != NULL && StringBlockAddr != NULL && StringTextOffset != NULL);
*BlockType = *BlockHdr;
*StringBlockAddr = BlockHdr;
*StringTextOffset = StringTextPtr - BlockHdr;
@@ -404,6 +406,7 @@ FindStringBlock (
GetUnicodeStringTextOrSize (NULL, StringTextPtr, &StringSize);
BlockSize += StringSize;
if (CurrentStringId == StringId) {
+ ASSERT (BlockType != NULL && StringBlockAddr != NULL && StringTextOffset != NULL);
*BlockType = *BlockHdr;
*StringBlockAddr = BlockHdr;
*StringTextOffset = StringTextPtr - BlockHdr;
@@ -427,6 +430,7 @@ FindStringBlock (
GetUnicodeStringTextOrSize (NULL, StringTextPtr, &StringSize);
BlockSize += StringSize;
if (CurrentStringId == StringId) {
+ ASSERT (BlockType != NULL && StringBlockAddr != NULL && StringTextOffset != NULL);
*BlockType = *BlockHdr;
*StringBlockAddr = BlockHdr;
*StringTextOffset = StringTextPtr - BlockHdr;
@@ -559,7 +563,7 @@ FindStringBlock (
//
// Get last string ID
//
- if (StringId == (EFI_STRING_ID) (-1)) {
+ if (StringId == (EFI_STRING_ID) (-1) && LastStringId != NULL) {
*LastStringId = (EFI_STRING_ID) (CurrentStringId - 1);
return EFI_SUCCESS;
}