From patchwork Sat May 9 08:42:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Yongjun X-Patchwork-Id: 11538045 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E878B14C0 for ; Sat, 9 May 2020 08:39:10 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id C4F0F2495C for ; Sat, 9 May 2020 08:39:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="b9KHlW2t" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C4F0F2495C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=Symybn1kPpQcOQRZVX3frSw6JaNWL1JPeaaYTBJtTN8=; b=b9KHlW2tN9yPeU TOQpzXLk/eIQF4CHYNuehhB2sKj8jlBmelJ+dS+ytVIHEEG+KSugZGF1eCRYwuVC0eV3zCQ42EyKK siax7UP4nEZzfCvynEIGFEzakg/O6y9J+65c0IMFPW2frxPnFE8+9GbicLKylGEgV+AacmVewyot5 WcUEOVkW2bx84o+ZZN28WKN4LUeVDwrSmH6c/HUXJHt5vSMP/J/EYF7M2WLboCFAfgv9tAmk+CanU OsWUXTjIOzSvFQUzWvoBmLeC1rfMN6fLiCSsvA8+jxgrxrRt2BS5nodesVy1NqITj59oajGti7MUf QXjmUP2B/HS1/w1mY9HQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jXL0l-0001AD-LR; Sat, 09 May 2020 08:39:07 +0000 Received: from szxga05-in.huawei.com ([45.249.212.191] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jXL0i-00018K-In; Sat, 09 May 2020 08:39:05 +0000 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 5A748C4CB26369EF78C8; Sat, 9 May 2020 16:38:48 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.487.0; Sat, 9 May 2020 16:38:41 +0800 From: Wei Yongjun To: Ohad Ben-Cohen , Bjorn Andersson , Matthias Brugger , "Erin Lo" Subject: [PATCH -next] remoteproc/mediatek: fix invalid use of sizeof in scp_ipi_init() Date: Sat, 9 May 2020 08:42:37 +0000 Message-ID: <20200509084237.36293-1-weiyongjun1@huawei.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200509_013904_787716_2784E9FD X-CRM114-Status: UNSURE ( 8.75 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [45.249.212.191 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [45.249.212.191 listed in wl.mailspike.net] X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kernel-janitors@vger.kernel.org, linux-remoteproc@vger.kernel.org, Hulk Robot , linux-mediatek@lists.infradead.org, Wei Yongjun , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org sizeof() when applied to a pointer typed expression gives the size of the pointer, not that of the pointed data. Fixes: 63c13d61eafe ("remoteproc/mediatek: add SCP support for mt8183") Reported-by: Hulk Robot Signed-off-by: Wei Yongjun Reviewed-by: Mathieu Poirier --- drivers/remoteproc/mtk_scp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index 2bead57c9cf9..ac13e7b046a6 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -132,8 +132,8 @@ static int scp_ipi_init(struct mtk_scp *scp) (struct mtk_share_obj __iomem *)(scp->sram_base + recv_offset); scp->send_buf = (struct mtk_share_obj __iomem *)(scp->sram_base + send_offset); - memset_io(scp->recv_buf, 0, sizeof(scp->recv_buf)); - memset_io(scp->send_buf, 0, sizeof(scp->send_buf)); + memset_io(scp->recv_buf, 0, sizeof(*scp->recv_buf)); + memset_io(scp->send_buf, 0, sizeof(*scp->send_buf)); return 0; }