ie, can you try something like this?
diff --git a/drivers/firmware/efi/runtime-wrappers.c b/drivers/firmware/efi/runtime-wrappers.c index f3e54f6616f0..01cbd4811d1e 100644 --- a/drivers/firmware/efi/runtime-wrappers.c +++ b/drivers/firmware/efi/runtime-wrappers.c @@ -32,6 +32,8 @@ #include <linux/stringify.h> #include <linux/workqueue.h> #include <linux/completion.h> +#include <linux/ucs2_string.h> +#include <linux/slab.h>
#include <asm/efi.h>
@@ -203,6 +205,21 @@ static void efi_call_rts(struct work_struct *work) (efi_time_t *)arg2); break; case EFI_GET_VARIABLE:
unsigned long utf8_name_size;char *utf8_name;char guid_str[sizeof(efi_guid_t)+1];utf8_name_size = ucs2_utf8size((efi_char16_t *)arg1);utf8_name = kmalloc(utf8_name_size+1, GFP_KERNEL);if (!utf8_name) {printk(KERN_INFO "failed to allocate UTF8 buffer\n");break;}ucs2_as_utf8(utf8_name, (efi_char16_t *)arg1, utf8_name_size + 1);efi_guid_to_str((efi_guid_t *)arg2, guid_str);printk(KERN_INFO "Reading EFI variable %s-%s\n", utf8_name, guid_str);
Looks like there is some error in this patch
drivers/firmware/efi/runtime-wrappers.c:208:3: error: a label can only be part of a statement and a declaration is not a statement 208 | unsigned long utf8_name_size; | ^~~~~~~~ drivers/firmware/efi/runtime-wrappers.c:209:3: error: expected expression before ‘char’ 209 | char *utf8_name; | ^~~~ drivers/firmware/efi/runtime-wrappers.c:210:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] 210 | char guid_str[sizeof(efi_guid_t)+1]; | ^~~~ drivers/firmware/efi/runtime-wrappers.c:213:3: error: ‘utf8_name’ undeclared (first use in this function) 213 | utf8_name = kmalloc(utf8_name_size+1, GFP_KERNEL); | ^~~~~~~~~ drivers/firmware/efi/runtime-wrappers.c:213:3: note: each undeclared identifier is reported only once for each function it appears in make[6]: *** [scripts/Makefile.build:287: drivers/firmware/efi/runtime-wrappers.o] Error 1 make[5]: *** [scripts/Makefile.build:549: drivers/firmware/efi] Error 2 make[4]: *** [scripts/Makefile.build:549: drivers/firmware] Error 2 make[4]: *** Waiting for unfinished jobs....