summaryrefslogtreecommitdiff
path: root/lib/efi_loader/efi_var_file.c
diff options
context:
space:
mode:
authorTom Rini <trini@konsulko.com>2024-10-20 08:27:15 -0600
committerTom Rini <trini@konsulko.com>2024-10-20 08:27:15 -0600
commitfa0ed06a749c8e3c65d8b12a7d2d33a055a08aad (patch)
treeda947666cff586b29d08d7f61768d1dc41e1b789 /lib/efi_loader/efi_var_file.c
parent7036abbd5c3934059b020d5fd5bcb8b3bf3c788c (diff)
parent640c6c6cbaafa1b049118d431cf218d9dce3cdd8 (diff)
Merge tag 'efi-2025-01-rc1-2' of https://source.denx.de/u-boot/custodians/u-boot-efi
Pull request efi-2025-01-rc1-2 CI: https://source.denx.de/u-boot/custodians/u-boot-efi/-/pipelines/22810 Documentation: * Add document describing Ethernet boot on AM62x SoC * Fix typo in blkmap command example UEFI: * Avoid #ifdef in efi_setup.c * Reduce message noisiness if ESP is missing * Remove ERROR:, WARNING: prefixes in messages * Use blk_create_devicef() in block device driver Others: * Let CONFIG_CMD_WGET depend on CONFIG_CMD_NET
Diffstat (limited to 'lib/efi_loader/efi_var_file.c')
-rw-r--r--lib/efi_loader/efi_var_file.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/lib/efi_loader/efi_var_file.c b/lib/efi_loader/efi_var_file.c
index 413e1794e88..ba0bf33ffbd 100644
--- a/lib/efi_loader/efi_var_file.c
+++ b/lib/efi_loader/efi_var_file.c
@@ -37,18 +37,16 @@ static efi_status_t __maybe_unused efi_set_blk_dev_to_system_partition(void)
char part_str[PART_STR_LEN];
int r;
- if (efi_system_partition.uclass_id == UCLASS_INVALID) {
- log_err("No EFI system partition\n");
+ if (efi_system_partition.uclass_id == UCLASS_INVALID)
return EFI_DEVICE_ERROR;
- }
+
snprintf(part_str, PART_STR_LEN, "%x:%x",
efi_system_partition.devnum, efi_system_partition.part);
r = fs_set_blk_dev(blk_get_uclass_name(efi_system_partition.uclass_id),
part_str, FS_TYPE_ANY);
- if (r) {
- log_err("Cannot read EFI system partition\n");
+ if (r)
return EFI_DEVICE_ERROR;
- }
+
return EFI_SUCCESS;
}
@@ -67,14 +65,21 @@ efi_status_t efi_var_to_file(void)
loff_t len;
loff_t actlen;
int r;
+ static bool once;
ret = efi_var_collect(&buf, &len, EFI_VARIABLE_NON_VOLATILE);
if (ret != EFI_SUCCESS)
goto error;
ret = efi_set_blk_dev_to_system_partition();
- if (ret != EFI_SUCCESS)
- goto error;
+ if (ret != EFI_SUCCESS) {
+ if (!once) {
+ log_warning("Cannot persist EFI variables without system partition\n");
+ once = true;
+ }
+ goto out;
+ }
+ once = false;
r = fs_write(EFI_VAR_FILE_NAME, map_to_sysmem(buf), 0, len, &actlen);
if (r || len != actlen)
@@ -83,6 +88,7 @@ efi_status_t efi_var_to_file(void)
error:
if (ret != EFI_SUCCESS)
log_err("Failed to persist EFI variables\n");
+out:
free(buf);
return ret;
#else