From patchwork Tue Jul 12 10:47:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 590661 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 880F4C43334 for ; Tue, 12 Jul 2022 10:47:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231761AbiGLKrV (ORCPT ); Tue, 12 Jul 2022 06:47:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34456 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229776AbiGLKrU (ORCPT ); Tue, 12 Jul 2022 06:47:20 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1539DADD6A for ; Tue, 12 Jul 2022 03:47:20 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id D08D7B817B9 for ; Tue, 12 Jul 2022 10:47:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0719DC3411C; Tue, 12 Jul 2022 10:47:16 +0000 (UTC) Message-ID: Date: Tue, 12 Jul 2022 12:47:15 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Content-Language: en-US To: "linux-media@vger.kernel.org" Cc: Stanimir Varbanov From: Hans Verkuil Subject: [PATCHv2] media: venus: venus_helper_get_bufreq(): req is never NULL Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Fix a smatch error: drivers/media/platform/qcom/venus/helpers.c: drivers/media/platform/qcom/venus/helpers.c:678 venus_helper_get_bufreq() error: we previously assumed 'req' could be null (see line 674) After checking how venus_helper_get_bufreq() is called it is clear that req is never NULL, so just drop the checks. Signed-off-by: Hans Verkuil --- drivers/media/platform/qcom/venus/helpers.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c index 5c1104379c49..60de4200375d 100644 --- a/drivers/media/platform/qcom/venus/helpers.c +++ b/drivers/media/platform/qcom/venus/helpers.c @@ -671,8 +671,7 @@ int venus_helper_get_bufreq(struct venus_inst *inst, u32 type, unsigned int i; int ret; - if (req) - memset(req, 0, sizeof(*req)); + memset(req, 0, sizeof(*req)); if (type == HFI_BUFFER_OUTPUT || type == HFI_BUFFER_OUTPUT2) req->count_min = inst->fw_min_cnt; @@ -694,8 +693,7 @@ int venus_helper_get_bufreq(struct venus_inst *inst, u32 type, if (hprop.bufreq[i].type != type) continue; - if (req) - memcpy(req, &hprop.bufreq[i], sizeof(*req)); + memcpy(req, &hprop.bufreq[i], sizeof(*req)); ret = 0; break; }