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-rw-r--r--lib/efi_loader/efi_device_path.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_device_path.c b/lib/efi_loader/efi_device_path.c
index 6104c7d33b..10f890f44f 100644
--- a/lib/efi_loader/efi_device_path.c
+++ b/lib/efi_loader/efi_device_path.c
@@ -335,6 +335,9 @@ struct efi_device_path *efi_dp_create_device_node(const u8 type,
{
struct efi_device_path *ret;
+ if (length < sizeof(struct efi_device_path))
+ return NULL;
+
ret = dp_alloc(length);
if (!ret)
return ret;