efi_loader: check parameter new_handle of efi_file_open()

We should not check parameter file twice.
We should check parameter new_handle.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>

lib/efi_loader/efi_file.c

@@ -218,7 +218,7 @@ static efi_status_t EFIAPI efi_file_open(struct efi_file_handle *file,
 		  open_mode, attributes);
 
 	/* Check parameters */
-	if (!file || !file || !file_name) {
+	if (!file || !new_handle || !file_name) {
 		ret = EFI_INVALID_PARAMETER;
 		goto out;
 	}