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Diffstat (limited to 'lib/efi_loader/efi_bootmgr.c')
-rw-r--r--lib/efi_loader/efi_bootmgr.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/lib/efi_loader/efi_bootmgr.c b/lib/efi_loader/efi_bootmgr.c
index 4ccba22..7bf5187 100644
--- a/lib/efi_loader/efi_bootmgr.c
+++ b/lib/efi_loader/efi_bootmgr.c
@@ -53,19 +53,20 @@ void efi_deserialize_load_option(struct efi_load_option *lo, u8 *data)
*/
unsigned long efi_serialize_load_option(struct efi_load_option *lo, u8 **data)
{
- unsigned long label_len, option_len;
+ unsigned long label_len;
unsigned long size;
u8 *p;
label_len = (u16_strlen(lo->label) + 1) * sizeof(u16);
- option_len = strlen((char *)lo->optional_data);
/* total size */
size = sizeof(lo->attributes);
size += sizeof(lo->file_path_length);
size += label_len;
size += lo->file_path_length;
- size += option_len + 1;
+ if (lo->optional_data)
+ size += (utf8_utf16_strlen((const char *)lo->optional_data)
+ + 1) * sizeof(u16);
p = malloc(size);
if (!p)
return 0;
@@ -84,10 +85,10 @@ unsigned long efi_serialize_load_option(struct efi_load_option *lo, u8 **data)
memcpy(p, lo->file_path, lo->file_path_length);
p += lo->file_path_length;
- memcpy(p, lo->optional_data, option_len);
- p += option_len;
- *(char *)p = '\0';
-
+ if (lo->optional_data) {
+ utf8_utf16_strcpy((u16 **)&p, (const char *)lo->optional_data);
+ p += sizeof(u16); /* size of trailing \0 */
+ }
return size;
}