efi_loader: simplify efi_locate_protocol

Use helper function efi_search_protocol.

Do not print protocol guid twice in debug mode.

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 f32ddd5..9e8d8f4 100644 (file)
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -1778,29 +1778,23 @@ static efi_status_t EFIAPI efi_locate_protocol(const efi_guid_t *protocol,
                                               void **protocol_interface)
 {
        struct list_head *lhandle;
-       int i;
+       efi_status_t ret;
 
        EFI_ENTRY("%pUl, %p, %p", protocol, registration, protocol_interface);
 
        if (!protocol || !protocol_interface)
                return EFI_EXIT(EFI_INVALID_PARAMETER);
 
-       EFI_PRINT_GUID("protocol", protocol);
-
        list_for_each(lhandle, &efi_obj_list) {
                struct efi_object *efiobj;
+               struct efi_handler *handler;
 
                efiobj = list_entry(lhandle, struct efi_object, link);
-               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)) {
-                               *protocol_interface =
-                                       handler->protocol_interface;
-                               return EFI_EXIT(EFI_SUCCESS);
-                       }
+               ret = efi_search_protocol(efiobj->handle, protocol, &handler);
+               if (ret == EFI_SUCCESS) {
+                       *protocol_interface = handler->protocol_interface;
+                       return EFI_EXIT(EFI_SUCCESS);
                }
        }
        *protocol_interface = NULL;