diff options
| -rw-r--r-- | lib/efi_loader/efi_device_path_to_text.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/lib/efi_loader/efi_device_path_to_text.c b/lib/efi_loader/efi_device_path_to_text.c index 1aaa9f94fa..81b8ac23ba 100644 --- a/lib/efi_loader/efi_device_path_to_text.c +++ b/lib/efi_loader/efi_device_path_to_text.c @@ -369,11 +369,18 @@ static uint16_t EFIAPI *efi_convert_device_path_to_text( if (!device_path) goto out; - while (device_path && - str + MAX_NODE_LEN < buffer + MAX_PATH_LEN) { - *str++ = '/'; - str = efi_convert_single_device_node_to_text(str, device_path); - device_path = efi_dp_next(device_path); + while (device_path && str + MAX_NODE_LEN < buffer + MAX_PATH_LEN) { + if (device_path->type == DEVICE_PATH_TYPE_END) { + if (device_path->sub_type != + DEVICE_PATH_SUB_TYPE_INSTANCE_END) + break; + *str++ = ','; + } else { + *str++ = '/'; + str = efi_convert_single_device_node_to_text( + str, device_path); + } + *(u8 **)&device_path += device_path->length; } text = efi_str_to_u16(buffer); |