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sd-boot: Skip adding boot entries when the loader does not exist

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This commit is contained in:
Jan Janssen 2019-11-01 12:31:07 +01:00 committed by Zbigniew Jędrzejewski-Szmek
parent b5395600a0
commit f9f1d01cbd
1 changed files with 12 additions and 1 deletions
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13
src/boot/efi/boot.c
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@ -1300,6 +1300,7 @@ static VOID config_entry_bump_counters(
static VOID config_entry_add_from_file(
Config *config,
EFI_HANDLE *device,
EFI_FILE *root_dir,
CHAR16 *path,
CHAR16 *file,
CHAR8 *content,
@ -1310,6 +1311,8 @@ static VOID config_entry_add_from_file(
UINTN pos = 0;
CHAR8 *key, *value;
UINTN len;
EFI_STATUS err;
EFI_FILE_HANDLE handle;
_cleanup_freepool_ CHAR16 *initrd = NULL;
entry = AllocatePool(sizeof(ConfigEntry));
@ -1406,6 +1409,14 @@ static VOID config_entry_add_from_file(
return;
}
/* check existence */
err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &handle, entry->loader, EFI_FILE_MODE_READ, 0ULL);
if (EFI_ERROR(err)) {
config_entry_free(entry);
return;
}
uefi_call_wrapper(handle->Close, 1, handle);
/* add initrd= to options */
if (entry->type == LOADER_LINUX && initrd) {
if (entry->options) {
@ -1503,7 +1514,7 @@ static VOID config_load_entries(
err = file_read(entries_dir, f->FileName, 0, 0, &content, NULL);
if (!EFI_ERROR(err))
config_entry_add_from_file(config, device, L"\\loader\\entries", f->FileName, content, loaded_image_path);
config_entry_add_from_file(config, device, root_dir, L"\\loader\\entries", f->FileName, content, loaded_image_path);
}
uefi_call_wrapper(entries_dir->Close, 1, entries_dir);
}