diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index b4059720962389fbf584dbd491332c37e7b58751..7d627a02ed82d8d6cdb0328d1b78bf3379721f70 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -946,6 +946,9 @@ u64 efi_mem_attributes(unsigned long phys_addr)
 	efi_memory_desc_t *md;
 	void *p;
 
+	if (!efi_enabled(EFI_MEMMAP))
+		return 0;
+
 	for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
 		md = p;
 		if ((md->phys_addr <= phys_addr) &&