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efi: libstub: drop pointless get_memory_map() call 

commit d80ca810f0 upstream.

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: 24d7c494ce ("efi/arm-stub: Round up FDT allocation to mapping size")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ard Biesheuvel 2022-09-15 19:00:24 +02:00 committed by Greg Kroah-Hartman
parent f897e1ce69
commit b2c57e9274
1 changed files with 0 additions and 8 deletions
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8
drivers/firmware/efi/libstub/fdt.c
View File

@ -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);