efi_loader: allow creating new handles
In efi_install_protocol_interface support creating
a new handle.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 9e741c3..c8f39b5 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -266,6 +266,23 @@
return EFI_EXIT(r);
}
+static efi_status_t efi_create_handle(void **handle)
+{
+ struct efi_object *obj;
+ efi_status_t r;
+
+ r = efi_allocate_pool(EFI_ALLOCATE_ANY_PAGES,
+ sizeof(struct efi_object),
+ (void **)&obj);
+ if (r != EFI_SUCCESS)
+ return r;
+ memset(obj, 0, sizeof(struct efi_object));
+ obj->handle = obj;
+ list_add_tail(&obj->link, &efi_obj_list);
+ *handle = obj;
+ return r;
+}
+
/*
* Our event capabilities are very limited. Only a small limited
* number of events is allowed to coexist.
@@ -520,8 +537,9 @@
/* Create new handle if requested. */
if (!*handle) {
- r = EFI_OUT_OF_RESOURCES;
- goto out;
+ r = efi_create_handle(handle);
+ if (r != EFI_SUCCESS)
+ goto out;
}
/* Find object. */
list_for_each(lhandle, &efi_obj_list) {