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efi_loader: return immediately in UCLASS_EFI_LOADER removal

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In case of UCLASS_EFI_LOADER, EFI handles are managed by
EFI application/driver, we must not delete EFI handles.

Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This commit is contained in:
Masahisa Kojima
2024-01-19 09:45:46 +09:00
committed by Heinrich Schuchardt
parent 0351b659dd
commit 2c98f7435c
1 changed files with 10 additions and 6 deletions
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16
lib/efi_loader/efi_disk.c
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@@ -731,8 +731,14 @@ int efi_disk_remove(void *ctx, struct event *event)
switch (id) {
case UCLASS_BLK:
desc = dev_get_uclass_plat(dev);
if (desc && desc->uclass_id != UCLASS_EFI_LOADER)
diskobj = (struct efi_disk_obj *)handle;
if (desc && desc->uclass_id == UCLASS_EFI_LOADER)
/*
* EFI application/driver manages the EFI handle,
* no need to delete EFI handle.
*/
return 0;
diskobj = (struct efi_disk_obj *)handle;
break;
case UCLASS_PARTITION:
diskobj = (struct efi_disk_obj *)handle;
@@ -744,10 +750,8 @@ int efi_disk_remove(void *ctx, struct event *event)
return 0;
}
if (diskobj) {
dp = diskobj->dp;
volume = diskobj->volume;
}
dp = diskobj->dp;
volume = diskobj->volume;
ret = efi_delete_handle(handle);
/* Do not delete DM device if there are still EFI drivers attached. */