efi: libstub: drop pointless get_memory_map() call

Currently, the non-x86 stub code calls get_memory_map() redundantly,
given that the data it returns is never used anywhere. So drop the call.

Cc: <stable@vger.kernel.org> # v4.14+
Fixes: 24d7c494ce46 ("efi/arm-stub: Round up FDT allocation to mapping size")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

diff --git a/drivers/firmware/efi/libstub/fdt.c b/drivers/firmware/efi/libstub/fdt.c
index fe567be0f118beb18ec061850e17b3c8ae77945a..804f542be3f28233ca1e11c80f2e87c9b6c8b834 100644 (file)
--- a/drivers/firmware/efi/libstub/fdt.c
+++ b/drivers/firmware/efi/libstub/fdt.c
@@ -280,14 +280,6 @@ efi_status_t allocate_new_fdt_and_exit_boot(void *handle,
                goto fail;
        }
 
-       /*
-        * Now that we have done our final memory allocation (and free)
-        * we can get the memory map key needed for exit_boot_services().
-        */
-       status = efi_get_memory_map(&map);
-       if (status != EFI_SUCCESS)
-               goto fail_free_new_fdt;
-
        status = update_fdt((void *)fdt_addr, fdt_size,
                            (void *)*new_fdt_addr, MAX_FDT_SIZE, cmdline_ptr,
                            initrd_addr, initrd_size);