efi_loader: simplify efi_install_protocol_interface

Use helper functio efi_add_protocol.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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 e372c8bb94f05e2df55b1a540abe0ef687e8ca0d..900cb1aad89620096ceafcd7fcb1cf5c61683222 100644 (file)
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -839,8 +839,6 @@ static efi_status_t EFIAPI efi_install_protocol_interface(
                        void **handle, const efi_guid_t *protocol,
                        int protocol_interface_type, void *protocol_interface)
 {
-       struct list_head *lhandle;
-       int i;
        efi_status_t r;
 
        EFI_ENTRY("%p, %pUl, %d, %p", handle, protocol, protocol_interface_type,
@@ -863,40 +861,8 @@ static efi_status_t EFIAPI efi_install_protocol_interface(
                debug("%sEFI: handle %p\n", indent_string(nesting_level),
                      *handle);
        }
-       /* Find object. */
-       list_for_each(lhandle, &efi_obj_list) {
-               struct efi_object *efiobj;
-               efiobj = list_entry(lhandle, struct efi_object, link);
-
-               if (efiobj->handle != *handle)
-                       continue;
-               /* Check if protocol is already installed on the handle. */
-               for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) {
-                       struct efi_handler *handler = &efiobj->protocols[i];
-
-                       if (!handler->guid)
-                               continue;
-                       if (!guidcmp(handler->guid, protocol)) {
-                               r = EFI_INVALID_PARAMETER;
-                               goto out;
-                       }
-               }
-               /* Install protocol in first empty slot. */
-               for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) {
-                       struct efi_handler *handler = &efiobj->protocols[i];
-
-                       if (handler->guid)
-                               continue;
-
-                       handler->guid = protocol;
-                       handler->protocol_interface = protocol_interface;
-                       r = EFI_SUCCESS;
-                       goto out;
-               }
-               r = EFI_OUT_OF_RESOURCES;
-               goto out;
-       }
-       r = EFI_INVALID_PARAMETER;
+       /* Add new protocol */
+       r = efi_add_protocol(*handle, protocol, protocol_interface);
 out:
        return EFI_EXIT(r);
 }