[RFC 16/22] efi_loader: add efi_remove_handle()

[AKASHI Takahiro]

This function is a counterpart of efi_add_handle() and will be used
in order to remove an efi_disk object in a later patch.

Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>
---
 include/efi_loader.h          | 2 ++
 lib/efi_loader/efi_boottime.c | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/include/efi_loader.h b/include/efi_loader.h
index cfbe1fe659ef..50f4119dcdfb 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -579,6 +579,8 @@ void efi_save_gd(void);
 void efi_runtime_relocate(ulong offset, struct efi_mem_desc *map);
 /* Add a new object to the object list. */
 void efi_add_handle(efi_handle_t obj);
+/* Remove a object from the object list. */
+void efi_remove_handle(efi_handle_t obj);
 /* Create handle */
 efi_status_t efi_create_handle(efi_handle_t *handle);
 /* Delete handle */
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index f0283b539e46..b2503b74233b 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -503,6 +503,14 @@ void efi_add_handle(efi_handle_t handle)
 	list_add_tail(&handle->link, &efi_obj_list);
 }
 
+void efi_remove_handle(efi_handle_t handle)
+{
+	if (!handle)
+		return;
+
+	list_del(&handle->link);
+}
+
 /**
  * efi_create_handle() - create handle
  * @handle: new handle
-- 
2.33.0