FAILED: patch "[PATCH] efi: libstub: drop pointless get_memory_map() call" failed to apply to 5.4-stable tree

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The patch below does not apply to the 5.4-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.

Possible dependencies:

d80ca810f096 ("efi: libstub: drop pointless get_memory_map() call")
cd33a5c1d53e ("efi/libstub: Remove 'sys_table_arg' from all function prototypes")
8173ec7905b5 ("efi/libstub: Drop sys_table_arg from printk routines")
c3710de5065d ("efi/libstub/x86: Drop __efi_early() export and efi_config struct")
dc29da14ed94 ("efi/libstub: Unify the efi_char16_printk implementations")
2fcdad2a80a6 ("efi/libstub: Get rid of 'sys_table_arg' macro parameter")
afc4cc71cf78 ("efi/libstub/x86: Avoid thunking for native firmware calls")
f958efe97596 ("efi/libstub: Distinguish between native/mixed not 32/64 bit")
1786e8301164 ("efi/libstub: Extend native protocol definitions with mixed_mode aliases")
2732ea0d5c0a ("efi/libstub: Use a helper to iterate over a EFI handle array")
58ec655a7573 ("efi/libstub: Remove unused __efi_call_early() macro")
8de8788d2182 ("efi/gop: Unify 32/64-bit functions")
44c84b4ada73 ("efi/gop: Convert GOP structures to typedef and clean up some types")
8d62af177812 ("efi/gop: Remove bogus packed attribute from GOP structures")
4911ee401b7c ("x86/efistub: Disable paging at mixed mode entry")
818c7ce72477 ("efi/libstub/random: Initialize pointer variables to zero for mixed mode")
9fa76ca7b8bd ("efi: Fix efi_loaded_image_t::unload type")
ff397be685e4 ("efi/gop: Fix memory leak in __gop_query32/64()")
dbd89c303b44 ("efi/gop: Return EFI_SUCCESS if a usable GOP was found")
6fc3cec30dfe ("efi/gop: Return EFI_NOT_FOUND if there are no usable GOPs")

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

>From d80ca810f096ff66f451e7a3ed2f0cd9ef1ff519 Mon Sep 17 00:00:00 2001
From: Ard Biesheuvel <ardb@xxxxxxxxxx>
Date: Thu, 15 Sep 2022 19:00:24 +0200
Subject: [PATCH] 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@xxxxxxxxxxxxxxx> # v4.14+
Fixes: 24d7c494ce46 ("efi/arm-stub: Round up FDT allocation to mapping size")
Signed-off-by: Ard Biesheuvel <ardb@xxxxxxxxxx>

diff --git a/drivers/firmware/efi/libstub/fdt.c b/drivers/firmware/efi/libstub/fdt.c
index fe567be0f118..804f542be3f2 100644
--- 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);




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