From mboxrd@z Thu Jan 1 00:00:00 1970 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 20FE9CDB47E for ; Wed, 18 Oct 2023 09:22:39 +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: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:In-Reply-To:References: List-Owner; bh=AL4tjtmujb1z9YbqFr3VsybVpiZdFrtQGGKtMpS3qt8=; b=DofxSmlQvF2ok2 GFoHxvIicNDgGokhubOXZuUFUzyyAgatdtQlkmzosKquL1va0F8cFiFk596flQ8VDqhQX6/8I493h xMrkfSgP10cuwjqYkl6XS/6LfTd6RlA92Eh33RGFN3q2lDVwpvZZgG0sgRd6ZPaz0HVwBPynFB3M/ nUq63OD15B7IVjcl2yLsCVTYqOXInxUU/lLoiXyhlWUj/WiSXRsadKkDxJGNGVn1CKVQR0liQtvID pzB/2RWgyEcY/KBmr6yATrj32NafgJRrxXuorWWIbNmvZJtBk0QaMpD0ngZxvFFaxhRUeaEJh6fCP JVRYmgi9ILU4vVr2mlNA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qt2ki-00EGQ7-1O; Wed, 18 Oct 2023 09:22:08 +0000 Received: from szxga02-in.huawei.com ([45.249.212.188]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qt2ke-00EGPK-2g; Wed, 18 Oct 2023 09:22:06 +0000 Received: from kwepemm000014.china.huawei.com (unknown [172.30.72.54]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4S9QHs3s06zRt5p; Wed, 18 Oct 2023 17:18:17 +0800 (CST) Received: from huawei.com (10.67.174.78) by kwepemm000014.china.huawei.com (7.193.23.6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Wed, 18 Oct 2023 17:21:57 +0800 From: Yi Yang To: , , , , , , , CC: , , Subject: [PATCH] mtd: rawnand: meson: check return value of devm_kasprintf() Date: Wed, 18 Oct 2023 09:20:47 +0000 Message-ID: <20231018092047.314860-1-yiyang13@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.67.174.78] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To kwepemm000014.china.huawei.com (7.193.23.6) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231018_022205_109145_DE2ABA0D X-CRM114-Status: UNSURE ( 7.73 ) X-CRM114-Notice: Please train this message. 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The devm_kasprintf() returns a pointer to dynamically allocated memory. that will return NULL when allocate failed. Fix it by check return value of devm_kasprintf(). Fixes: 1e4d3ba66888 ("mtd: rawnand: meson: fix the clock") Signed-off-by: Yi Yang --- drivers/mtd/nand/raw/meson_nand.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c index 378f28ce6a74..2c6ae781bb0c 100644 --- a/drivers/mtd/nand/raw/meson_nand.c +++ b/drivers/mtd/nand/raw/meson_nand.c @@ -1134,6 +1134,11 @@ static int meson_nfc_clk_init(struct meson_nfc *nfc) init.name = devm_kasprintf(nfc->dev, GFP_KERNEL, "%s#div", dev_name(nfc->dev)); + if (init.name) { + dev_err(nfc->dev, "failed to allocate init.name\n"); + return -ENOMEM; + } + init.ops = &clk_divider_ops; nfc_divider_parent_data[0].fw_name = "device"; init.parent_data = nfc_divider_parent_data; -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel