From patchwork Sat Sep 4 17:55:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= X-Patchwork-Id: 12475741 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 04576C433FE for ; Sat, 4 Sep 2021 17:56:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E21A1603E7 for ; Sat, 4 Sep 2021 17:55:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237297AbhIDR5B (ORCPT ); Sat, 4 Sep 2021 13:57:01 -0400 Received: from mail-0301.mail-europe.com ([188.165.51.139]:59987 "EHLO mail-0301.mail-europe.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231181AbhIDR5A (ORCPT ); Sat, 4 Sep 2021 13:57:00 -0400 Date: Sat, 04 Sep 2021 17:55:52 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail; t=1630778156; bh=ML+bFiDT8uKwEDgTby/Q6ZiVFNrU5Dm92qzCoSPh7Qg=; h=Date:To:From:Reply-To:Subject:From; b=uKn0qEKy4zAbEsrOvIfCIP91PTvd6R1DSE63BqGsTaM5kSsawnGRkA4Mq+5obJDVI XgNVbOugKK5mAHdMyYynzBvdJffal27psJ4YE0Pnhy4z2l9OAibBTZuBU2r+Y9HaxY PmmiTlubH13SPDKkLMDJ8b2rYtS2sdtJ6WYHVYgA= To: Hans de Goede , Mark Gross , platform-driver-x86@vger.kernel.org From: =?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= Reply-To: =?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= Subject: [RFC PATCH v1 18/30] platform/x86: wmi: use !p to check for NULL Message-ID: <20210904175450.156801-19-pobrn@protonmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org Other parts of the code use the `!p` idiom to check for NULL pointers, convert `find_guid_context()` to do the same. Signed-off-by: Barnabás Pőcze --- drivers/platform/x86/wmi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) -- 2.33.0 diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index 979135a678e0..0e721d868bf7 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -141,10 +141,10 @@ static const void *find_guid_context(struct wmi_block *wblock, const struct wmi_device_id *id; guid_t guid_input; - if (wdriver->id_table == NULL) + id = wdriver->id_table; + if (!id) return NULL; - id = wdriver->id_table; while (*id->guid_string) { if (guid_parse(id->guid_string, &guid_input)) continue;