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authorVincent StehlĂ© <[email protected]>2026-05-12 19:40:33 +0200
committerHeinrich Schuchardt <[email protected]>2026-05-18 08:38:16 +0200
commitec95a60d9dcd9436faa08f8151f05e4bba8e14a0 (patch)
tree1a9f59396b2f2ca7fffde9b210c33fd5ee4a2720
parente49c84f7bb7b69a9736e8243665b30b46075ab55 (diff)
efi_loader: fix hii keyboard layout pointer computation
The EFI_HII_KEYBOARD_LAYOUT field `layout_length' is expressed in bytes, but we add it to the `layout' pointer with (scaled) pointer arithmetic. When adding an HII keyboard package with multiple keyboard layouts, this results in only the first layout being added correctly; fix it. Fixes: 8d3b77e36e10 ("efi: hii: add keyboard layout package support") Signed-off-by: Vincent StehlĂ© <[email protected]> Cc: Heinrich Schuchardt <[email protected]> Cc: Ilias Apalodimas <[email protected]> Cc: Tom Rini <[email protected]> Cc: AKASHI Takahiro <[email protected]>
-rw-r--r--lib/efi_loader/efi_hii.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/efi_loader/efi_hii.c b/lib/efi_loader/efi_hii.c
index 330d7c5830b..7bf51ad43d1 100644
--- a/lib/efi_loader/efi_hii.c
+++ b/lib/efi_loader/efi_hii.c
@@ -324,7 +324,8 @@ add_keyboard_package(struct efi_hii_packagelist *hii,
list_add_tail(&layout_data->link_sys,
&efi_keyboard_layout_list);
- layout += layout_length;
+ layout = (struct efi_hii_keyboard_layout *)
+ ((uintptr_t)layout + layout_length);
}
list_add_tail(&package_data->link, &hii->keyboard_packages);