From patchwork Wed Jun 21 10:22:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jason-JH.Lin" X-Patchwork-Id: 13287132 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 10FFAEB64D8 for ; Wed, 21 Jun 2023 10:23:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=O25cSL48nWbtMZpJCSFwpuxZdGiLN3+92U5uVj4kKeY=; b=bFifLfa34U3ztR lDM42JbY7ioVpiu432jTS4XBBG6q4fOlYzIoYbSff4h/mWh/TKlV+Sp+fjNs2amHj6cLh1SUv5JU4 Dn34yC1Rsnl+I3G/AhB2hC8LaC/Yduyygo004ZTp+ZcSly7PS7alXRFugjoErc28idyKZ4uBEUcbB xU+UlYFDZkRNXKrh+YSE825cgFMMVxV8xsFp3mxU/avaFMYR08eLho7RVhbKKq/JHcnamwk8FQTeV crgA20jDE/zi035rSbexBNAeuprdquNWLRfhTwHpUvsnfVvRI5WYkbGZ+sWdFJgNBIujCTtC/NzOy wvSiCb1T8Dp3ZbV3SHhQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qBuzx-00E1wD-2K; Wed, 21 Jun 2023 10:23:37 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qBuzv-00E1th-0Y; Wed, 21 Jun 2023 10:23:36 +0000 X-UUID: a7b0e72a101d11ee912e1518a6540028-20230621 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=vIA0zB6zqRU+xoluC6rugeF1qC+nf4f/QUKEcL14kt4=; b=duQ6tKqBm4AVmxi3cW+2a7SAlVuezBIHYsBZIxaNnfNX3bFn5nUH2+qIPIY1ERTPQsO/lnYqa8qHjUMqbZn0pOVO6TdNMpBSXogyIdead/C8Au0cBni1ftC2iDXeeObv+pkRf9IUBA3wio5XLATCx49l59Ze0lJqCMfrwlGnFLM=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.27,REQID:2c1c6646-86c1-4605-b882-ddf15d917897,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:100,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:100 X-CID-INFO: VERSION:1.1.27,REQID:2c1c6646-86c1-4605-b882-ddf15d917897,IP:0,URL :0,TC:0,Content:0,EDM:0,RT:0,SF:100,FILE:0,BULK:0,RULE:Spam_GS981B3D,ACTIO N:quarantine,TS:100 X-CID-META: VersionHash:01c9525,CLOUDID:6f48c96f-2f20-4998-991c-3b78627e4938,B ulkID:230621182318ONTNQSIK,BulkQuantity:1,Recheck:0,SF:17|19|48|38|29|28,T C:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil,Bulk:40,QS:nil,BEC:nil,COL:0, OSI:0,OSA:0,AV:0,LES:1,SPR:NO X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_SDM,TF_CID_SPAM_ASC,TF_CID_SPAM_FAS, TF_CID_SPAM_FSD X-UUID: a7b0e72a101d11ee912e1518a6540028-20230621 Received: from mtkmbs13n1.mediatek.inc [(172.21.101.193)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1345124131; Wed, 21 Jun 2023 03:23:24 -0700 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 21 Jun 2023 18:22:48 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 21 Jun 2023 18:22:48 +0800 From: Jason-JH.Lin To: Chun-Kuang Hu , AngeloGioacchino Del Regno , Alexandre Mergnat CC: Matthias Brugger , Jason-ch Chen , Johnson Wang , "Jason-JH . Lin" , Singo Chang , Nancy Lin , Shawn Sung , , , , , Subject: [PATCH v3 1/4] drm/mediatek: Remove freeing not dynamic allocated memory Date: Wed, 21 Jun 2023 18:22:44 +0800 Message-ID: <20230621102247.10116-2-jason-jh.lin@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230621102247.10116-1-jason-jh.lin@mediatek.com> References: <20230621102247.10116-1-jason-jh.lin@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230621_032335_211471_442EFE56 X-CRM114-Status: GOOD ( 11.78 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Fixing the coverity issue of: mtk_drm_cmdq_pkt_destroy frees address of mtk_crtc->cmdq_handle So remove the free function. Fixes: 7627122fd1c0 ("drm/mediatek: Add cmdq_handle in mtk_crtc") Signed-off-by: Jason-JH.Lin Reviewed-by: AngeloGioacchino Del Regno Reviewed-by: Alexandre Mergnat Reviewed-by: CK Hu --- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index d40142842f85..8d44f3df116f 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -116,10 +116,9 @@ static int mtk_drm_cmdq_pkt_create(struct cmdq_client *client, struct cmdq_pkt * dma_addr_t dma_addr; pkt->va_base = kzalloc(size, GFP_KERNEL); - if (!pkt->va_base) { - kfree(pkt); + if (!pkt->va_base) return -ENOMEM; - } + pkt->buf_size = size; pkt->cl = (void *)client; @@ -129,7 +128,6 @@ static int mtk_drm_cmdq_pkt_create(struct cmdq_client *client, struct cmdq_pkt * if (dma_mapping_error(dev, dma_addr)) { dev_err(dev, "dma map failed, size=%u\n", (u32)(u64)size); kfree(pkt->va_base); - kfree(pkt); return -ENOMEM; } @@ -145,7 +143,6 @@ static void mtk_drm_cmdq_pkt_destroy(struct cmdq_pkt *pkt) dma_unmap_single(client->chan->mbox->dev, pkt->pa_base, pkt->buf_size, DMA_TO_DEVICE); kfree(pkt->va_base); - kfree(pkt); } #endif