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-rw-r--r--MdePkg/Library/UefiFileHandleLib/UefiFileHandleLib.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/MdePkg/Library/UefiFileHandleLib/UefiFileHandleLib.c b/MdePkg/Library/UefiFileHandleLib/UefiFileHandleLib.c
index 86678e965d..642b754d64 100644
--- a/MdePkg/Library/UefiFileHandleLib/UefiFileHandleLib.c
+++ b/MdePkg/Library/UefiFileHandleLib/UefiFileHandleLib.c
@@ -930,6 +930,11 @@ FileHandleReturnLine (
Status = FileHandleReadLine (Handle, RetVal, &Size, FALSE, Ascii);
if (Status == EFI_BUFFER_TOO_SMALL) {
RetVal = AllocateZeroPool (Size);
+
+ if (RetVal == NULL) {
+ return NULL;
+ }
+
Status = FileHandleReadLine (Handle, RetVal, &Size, FALSE, Ascii);
}